/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:40:30,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:40:30,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:40:30,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:40:30,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:40:30,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:40:30,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:40:30,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:40:30,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:40:30,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:40:30,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:40:30,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:40:30,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:40:30,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:40:30,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:40:30,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:40:30,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:40:30,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:40:30,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:40:30,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:40:30,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:40:30,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:40:30,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:40:30,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:40:30,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:40:30,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:40:30,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:40:30,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:40:30,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:40:30,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:40:30,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:40:30,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:40:30,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:40:30,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:40:30,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:40:30,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:40:30,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:40:30,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:40:30,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:40:30,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:40:30,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:40:30,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:40:30,707 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:40:30,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:40:30,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:40:30,712 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:40:30,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:40:30,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:40:30,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:40:30,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:40:30,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:40:30,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:40:30,714 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:40:30,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:40:30,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:40:30,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:40:30,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:40:30,716 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:40:30,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:40:30,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:40:30,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:40:30,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:40:30,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:40:30,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:40:30,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:40:31,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:40:31,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:40:31,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:40:31,184 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:40:31,185 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:40:31,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-11-07 04:40:31,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6c34f98/375de642c4d74b4180627b1beab8d89e/FLAGfad5069f0 [2020-11-07 04:40:31,900 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:40:31,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-11-07 04:40:31,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6c34f98/375de642c4d74b4180627b1beab8d89e/FLAGfad5069f0 [2020-11-07 04:40:32,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f6c34f98/375de642c4d74b4180627b1beab8d89e [2020-11-07 04:40:32,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:40:32,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:40:32,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:40:32,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:40:32,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:40:32,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf763a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32, skipping insertion in model container [2020-11-07 04:40:32,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:40:32,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:40:32,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:40:32,613 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:40:32,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:40:32,762 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:40:32,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32 WrapperNode [2020-11-07 04:40:32,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:40:32,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:40:32,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:40:32,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:40:32,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (1/1) ... [2020-11-07 04:40:32,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:40:32,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:40:32,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:40:32,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:40:32,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (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 [2020-11-07 04:40:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:40:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:40:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:40:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:40:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:40:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:40:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:40:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:40:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:40:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:40:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:40:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:40:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:40:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:40:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:40:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:40:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:40:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:40:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:40:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:40:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:40:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:40:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:40:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:40:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:40:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:40:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:40:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:40:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:40:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:40:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:40:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:40:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:40:34,116 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:40:34,116 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:40:34,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:34 BoogieIcfgContainer [2020-11-07 04:40:34,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:40:34,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:40:34,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:40:34,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:40:34,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:40:32" (1/3) ... [2020-11-07 04:40:34,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4e1f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:34, skipping insertion in model container [2020-11-07 04:40:34,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:32" (2/3) ... [2020-11-07 04:40:34,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4e1f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:34, skipping insertion in model container [2020-11-07 04:40:34,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:34" (3/3) ... [2020-11-07 04:40:34,128 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-11-07 04:40:34,144 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:40:34,148 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:40:34,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:40:34,185 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:40:34,185 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:40:34,185 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:40:34,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:40:34,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:40:34,186 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:40:34,186 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:40:34,186 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:40:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states. [2020-11-07 04:40:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:40:34,239 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:34,240 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] [2020-11-07 04:40:34,241 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]=== [2020-11-07 04:40:34,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:34,247 INFO L82 PathProgramCache]: Analyzing trace with hash -811157951, now seen corresponding path program 1 times [2020-11-07 04:40:34,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:34,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730021892] [2020-11-07 04:40:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,122 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:35,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:40:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:40:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:40:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:40:35,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730021892] [2020-11-07 04:40:35,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:40:35,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:40:35,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374681199] [2020-11-07 04:40:35,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:40:35,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:35,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:40:35,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:40:35,459 INFO L87 Difference]: Start difference. First operand 372 states. Second operand 4 states. [2020-11-07 04:40:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:37,284 INFO L93 Difference]: Finished difference Result 599 states and 701 transitions. [2020-11-07 04:40:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:40:37,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:40:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:37,321 INFO L225 Difference]: With dead ends: 599 [2020-11-07 04:40:37,321 INFO L226 Difference]: Without dead ends: 368 [2020-11-07 04:40:37,336 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 [2020-11-07 04:40:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-11-07 04:40:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 318. [2020-11-07 04:40:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-07 04:40:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 348 transitions. [2020-11-07 04:40:37,553 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 348 transitions. Word has length 166 [2020-11-07 04:40:37,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:37,556 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 348 transitions. [2020-11-07 04:40:37,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:40:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 348 transitions. [2020-11-07 04:40:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:40:37,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:37,570 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] [2020-11-07 04:40:37,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:40:37,570 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]=== [2020-11-07 04:40:37,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:37,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1893623700, now seen corresponding path program 1 times [2020-11-07 04:40:37,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:37,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046192542] [2020-11-07 04:40:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,123 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:38,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:40:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:40:38,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1046192542] [2020-11-07 04:40:38,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:40:38,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:40:38,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62663073] [2020-11-07 04:40:38,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:40:38,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:38,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:40:38,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:40:38,317 INFO L87 Difference]: Start difference. First operand 318 states and 348 transitions. Second operand 5 states. [2020-11-07 04:40:39,245 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:40,909 INFO L93 Difference]: Finished difference Result 521 states and 589 transitions. [2020-11-07 04:40:40,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:40:40,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:40:40,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:40,916 INFO L225 Difference]: With dead ends: 521 [2020-11-07 04:40:40,916 INFO L226 Difference]: Without dead ends: 357 [2020-11-07 04:40:40,918 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 [2020-11-07 04:40:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-11-07 04:40:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 308. [2020-11-07 04:40:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-11-07 04:40:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 335 transitions. [2020-11-07 04:40:41,043 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 335 transitions. Word has length 167 [2020-11-07 04:40:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:41,044 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 335 transitions. [2020-11-07 04:40:41,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:40:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 335 transitions. [2020-11-07 04:40:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:40:41,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:41,047 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] [2020-11-07 04:40:41,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:40:41,047 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]=== [2020-11-07 04:40:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:41,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1018636694, now seen corresponding path program 1 times [2020-11-07 04:40:41,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:41,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082665169] [2020-11-07 04:40:41,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,686 WARN L194 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:40:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:40:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:40:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:40:41,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082665169] [2020-11-07 04:40:41,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:40:41,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:40:41,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706064038] [2020-11-07 04:40:41,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:40:41,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:41,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:40:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:40:41,955 INFO L87 Difference]: Start difference. First operand 308 states and 335 transitions. Second operand 11 states. [2020-11-07 04:40:42,658 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:43,149 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:43,554 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:43,944 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:44,363 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:44,753 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:47,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:47,260 INFO L93 Difference]: Finished difference Result 568 states and 654 transitions. [2020-11-07 04:40:47,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:40:47,262 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:40:47,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:47,271 INFO L225 Difference]: With dead ends: 568 [2020-11-07 04:40:47,271 INFO L226 Difference]: Without dead ends: 380 [2020-11-07 04:40:47,275 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 [2020-11-07 04:40:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-11-07 04:40:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 308. [2020-11-07 04:40:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-11-07 04:40:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 334 transitions. [2020-11-07 04:40:47,444 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 334 transitions. Word has length 180 [2020-11-07 04:40:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:47,446 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 334 transitions. [2020-11-07 04:40:47,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:40:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 334 transitions. [2020-11-07 04:40:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-07 04:40:47,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:47,449 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] [2020-11-07 04:40:47,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:40:47,449 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]=== [2020-11-07 04:40:47,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:47,450 INFO L82 PathProgramCache]: Analyzing trace with hash 207649055, now seen corresponding path program 1 times [2020-11-07 04:40:47,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:47,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2087150821] [2020-11-07 04:40:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,913 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:47,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:40:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:40:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-11-07 04:40:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-11-07 04:40:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:40:48,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2087150821] [2020-11-07 04:40:48,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:40:48,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:40:48,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198596052] [2020-11-07 04:40:48,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:40:48,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:48,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:40:48,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:40:48,120 INFO L87 Difference]: Start difference. First operand 308 states and 334 transitions. Second operand 8 states. [2020-11-07 04:40:48,808 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:51,317 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:52,291 INFO L93 Difference]: Finished difference Result 778 states and 920 transitions. [2020-11-07 04:40:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 04:40:52,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-11-07 04:40:52,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:52,298 INFO L225 Difference]: With dead ends: 778 [2020-11-07 04:40:52,298 INFO L226 Difference]: Without dead ends: 590 [2020-11-07 04:40:52,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:40:52,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-11-07 04:40:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 450. [2020-11-07 04:40:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-11-07 04:40:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 485 transitions. [2020-11-07 04:40:52,477 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 485 transitions. Word has length 198 [2020-11-07 04:40:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:52,478 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 485 transitions. [2020-11-07 04:40:52,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:40:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 485 transitions. [2020-11-07 04:40:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-07 04:40:52,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:52,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:52,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:40:52,482 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]=== [2020-11-07 04:40:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1323326951, now seen corresponding path program 1 times [2020-11-07 04:40:52,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:52,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303222423] [2020-11-07 04:40:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:52,895 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:52,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:52,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:40:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:40:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:40:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:40:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:53,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:40:53,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303222423] [2020-11-07 04:40:53,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:40:53,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:40:53,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301484456] [2020-11-07 04:40:53,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:40:53,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:53,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:40:53,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:40:53,185 INFO L87 Difference]: Start difference. First operand 450 states and 485 transitions. Second operand 11 states. [2020-11-07 04:40:53,879 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:54,959 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:55,291 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:56,857 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:57,244 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:57,654 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:58,462 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:58,842 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:59,207 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:00,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:00,477 INFO L93 Difference]: Finished difference Result 917 states and 1061 transitions. [2020-11-07 04:41:00,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-07 04:41:00,478 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-11-07 04:41:00,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:00,483 INFO L225 Difference]: With dead ends: 917 [2020-11-07 04:41:00,483 INFO L226 Difference]: Without dead ends: 587 [2020-11-07 04:41:00,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-11-07 04:41:00,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-11-07 04:41:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 449. [2020-11-07 04:41:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-11-07 04:41:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 482 transitions. [2020-11-07 04:41:00,689 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 482 transitions. Word has length 222 [2020-11-07 04:41:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:00,689 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 482 transitions. [2020-11-07 04:41:00,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:41:00,690 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 482 transitions. [2020-11-07 04:41:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:00,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:00,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:00,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:41:00,694 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]=== [2020-11-07 04:41:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:00,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1989295318, now seen corresponding path program 1 times [2020-11-07 04:41:00,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:00,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603375743] [2020-11-07 04:41:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,062 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:01,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:01,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603375743] [2020-11-07 04:41:01,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:01,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:41:01,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522587767] [2020-11-07 04:41:01,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:41:01,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:01,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:41:01,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:41:01,351 INFO L87 Difference]: Start difference. First operand 449 states and 482 transitions. Second operand 11 states. [2020-11-07 04:41:03,058 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:03,453 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:03,855 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:04,221 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:04,608 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:04,973 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:06,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:06,802 INFO L93 Difference]: Finished difference Result 920 states and 1072 transitions. [2020-11-07 04:41:06,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:41:06,803 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 245 [2020-11-07 04:41:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:06,808 INFO L225 Difference]: With dead ends: 920 [2020-11-07 04:41:06,808 INFO L226 Difference]: Without dead ends: 591 [2020-11-07 04:41:06,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:41:06,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-11-07 04:41:06,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 457. [2020-11-07 04:41:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-11-07 04:41:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 490 transitions. [2020-11-07 04:41:06,974 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 490 transitions. Word has length 245 [2020-11-07 04:41:06,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:06,975 INFO L481 AbstractCegarLoop]: Abstraction has 457 states and 490 transitions. [2020-11-07 04:41:06,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:41:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 490 transitions. [2020-11-07 04:41:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:06,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:06,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:06,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:41:06,977 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]=== [2020-11-07 04:41:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:06,978 INFO L82 PathProgramCache]: Analyzing trace with hash 533782646, now seen corresponding path program 1 times [2020-11-07 04:41:06,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:06,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203961686] [2020-11-07 04:41:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,376 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:07,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:07,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203961686] [2020-11-07 04:41:07,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:07,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:41:07,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759891926] [2020-11-07 04:41:07,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:41:07,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:07,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:41:07,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:41:07,699 INFO L87 Difference]: Start difference. First operand 457 states and 490 transitions. Second operand 14 states. [2020-11-07 04:41:08,490 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:08,918 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:09,303 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:09,683 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:10,045 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:11,338 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:11,713 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:12,103 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:12,519 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:12,908 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:15,049 INFO L93 Difference]: Finished difference Result 937 states and 1090 transitions. [2020-11-07 04:41:15,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:41:15,050 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 245 [2020-11-07 04:41:15,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:15,058 INFO L225 Difference]: With dead ends: 937 [2020-11-07 04:41:15,058 INFO L226 Difference]: Without dead ends: 600 [2020-11-07 04:41:15,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:41:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-11-07 04:41:15,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 463. [2020-11-07 04:41:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-11-07 04:41:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 496 transitions. [2020-11-07 04:41:15,209 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 496 transitions. Word has length 245 [2020-11-07 04:41:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:15,209 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 496 transitions. [2020-11-07 04:41:15,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:41:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 496 transitions. [2020-11-07 04:41:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:41:15,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:15,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:15,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:41:15,213 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]=== [2020-11-07 04:41:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:15,213 INFO L82 PathProgramCache]: Analyzing trace with hash -2087951271, now seen corresponding path program 1 times [2020-11-07 04:41:15,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:15,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [656753972] [2020-11-07 04:41:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,602 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:15,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:41:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:41:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:41:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:41:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:15,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [656753972] [2020-11-07 04:41:15,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:15,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:41:15,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488405241] [2020-11-07 04:41:15,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:41:15,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:15,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:41:15,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:41:15,854 INFO L87 Difference]: Start difference. First operand 463 states and 496 transitions. Second operand 8 states. [2020-11-07 04:41:16,501 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:17,323 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:21,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:21,182 INFO L93 Difference]: Finished difference Result 1279 states and 1527 transitions. [2020-11-07 04:41:21,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-07 04:41:21,183 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-11-07 04:41:21,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:21,189 INFO L225 Difference]: With dead ends: 1279 [2020-11-07 04:41:21,189 INFO L226 Difference]: Without dead ends: 936 [2020-11-07 04:41:21,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:41:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-11-07 04:41:21,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 728. [2020-11-07 04:41:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-11-07 04:41:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 800 transitions. [2020-11-07 04:41:21,449 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 800 transitions. Word has length 245 [2020-11-07 04:41:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:21,449 INFO L481 AbstractCegarLoop]: Abstraction has 728 states and 800 transitions. [2020-11-07 04:41:21,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:41:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 800 transitions. [2020-11-07 04:41:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-11-07 04:41:21,452 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:21,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:21,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:41:21,453 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]=== [2020-11-07 04:41:21,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:21,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1031408050, now seen corresponding path program 1 times [2020-11-07 04:41:21,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:21,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232774357] [2020-11-07 04:41:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,920 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:21,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:41:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:41:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:41:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:41:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:41:22,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232774357] [2020-11-07 04:41:22,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:41:22,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:41:22,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985644759] [2020-11-07 04:41:22,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:41:22,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:22,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:41:22,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:41:22,260 INFO L87 Difference]: Start difference. First operand 728 states and 800 transitions. Second operand 15 states. [2020-11-07 04:41:23,284 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:41:24,311 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:26,643 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:41:27,382 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:41:27,836 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:28,224 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:29,007 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:41:29,396 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:29,842 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:30,231 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:33,093 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:33,489 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:33,932 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:34,812 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:41:37,126 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:41:37,856 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:41:38,752 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:41:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:39,819 INFO L93 Difference]: Finished difference Result 2267 states and 2700 transitions. [2020-11-07 04:41:39,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 04:41:39,827 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 250 [2020-11-07 04:41:39,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:39,839 INFO L225 Difference]: With dead ends: 2267 [2020-11-07 04:41:39,839 INFO L226 Difference]: Without dead ends: 1771 [2020-11-07 04:41:39,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=786, Invalid=2996, Unknown=0, NotChecked=0, Total=3782 [2020-11-07 04:41:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-11-07 04:41:40,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1325. [2020-11-07 04:41:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2020-11-07 04:41:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1445 transitions. [2020-11-07 04:41:40,536 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1445 transitions. Word has length 250 [2020-11-07 04:41:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:40,537 INFO L481 AbstractCegarLoop]: Abstraction has 1325 states and 1445 transitions. [2020-11-07 04:41:40,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:41:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1445 transitions. [2020-11-07 04:41:40,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-11-07 04:41:40,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:40,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:40,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:41:40,542 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]=== [2020-11-07 04:41:40,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:40,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1182596043, now seen corresponding path program 1 times [2020-11-07 04:41:40,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:40,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847022223] [2020-11-07 04:41:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:40,987 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:41:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:41:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:41:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-11-07 04:41:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-11-07 04:41:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:41:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:41:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:41:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-07 04:41:41,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847022223] [2020-11-07 04:41:41,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:41,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:41:41,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386871266] [2020-11-07 04:41:41,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:41:41,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:41,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:41:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:41:41,630 INFO L87 Difference]: Start difference. First operand 1325 states and 1445 transitions. Second operand 19 states. [2020-11-07 04:41:42,679 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:43,086 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:43,474 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:43,859 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:44,237 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:45,516 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:41:45,932 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:41:46,323 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:46,914 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:41:47,403 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:41:48,848 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:41:49,425 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:41:50,459 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:51,637 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:41:52,824 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:53,586 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:41:54,354 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:41:54,871 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:55,819 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:56,607 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:41:57,112 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:41:58,432 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:59,216 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:42:00,115 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:42:01,406 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:42:03,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:03,269 INFO L93 Difference]: Finished difference Result 3137 states and 3613 transitions. [2020-11-07 04:42:03,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-07 04:42:03,270 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 364 [2020-11-07 04:42:03,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:03,281 INFO L225 Difference]: With dead ends: 3137 [2020-11-07 04:42:03,281 INFO L226 Difference]: Without dead ends: 2039 [2020-11-07 04:42:03,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1965 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1205, Invalid=5601, Unknown=0, NotChecked=0, Total=6806 [2020-11-07 04:42:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2020-11-07 04:42:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1556. [2020-11-07 04:42:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1556 states. [2020-11-07 04:42:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 1704 transitions. [2020-11-07 04:42:04,246 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 1704 transitions. Word has length 364 [2020-11-07 04:42:04,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:04,247 INFO L481 AbstractCegarLoop]: Abstraction has 1556 states and 1704 transitions. [2020-11-07 04:42:04,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:42:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1704 transitions. [2020-11-07 04:42:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2020-11-07 04:42:04,255 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:04,255 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:04,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:42:04,256 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]=== [2020-11-07 04:42:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:04,256 INFO L82 PathProgramCache]: Analyzing trace with hash -645509976, now seen corresponding path program 1 times [2020-11-07 04:42:04,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:04,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667023108] [2020-11-07 04:42:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,681 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:42:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:42:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2020-11-07 04:42:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-11-07 04:42:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:04,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:42:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:42:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:42:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2020-11-07 04:42:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-11-07 04:42:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:42:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 117 proven. 11 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2020-11-07 04:42:05,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667023108] [2020-11-07 04:42:05,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:05,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:42:05,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879757807] [2020-11-07 04:42:05,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:42:05,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:05,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:42:05,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:42:05,613 INFO L87 Difference]: Start difference. First operand 1556 states and 1704 transitions. Second operand 17 states. [2020-11-07 04:42:06,360 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:07,768 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:42:09,928 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:10,381 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:10,867 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:11,315 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:11,741 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:12,170 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:12,557 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:13,021 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:13,444 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:13,939 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:14,396 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:14,861 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:17,923 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:18,703 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:42:19,474 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:42:19,894 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:20,333 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:42:20,747 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:42:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:24,242 INFO L93 Difference]: Finished difference Result 5045 states and 5853 transitions. [2020-11-07 04:42:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:42:24,243 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 565 [2020-11-07 04:42:24,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:24,263 INFO L225 Difference]: With dead ends: 5045 [2020-11-07 04:42:24,263 INFO L226 Difference]: Without dead ends: 3622 [2020-11-07 04:42:24,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=798, Invalid=3234, Unknown=0, NotChecked=0, Total=4032 [2020-11-07 04:42:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2020-11-07 04:42:25,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 2942. [2020-11-07 04:42:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2942 states. [2020-11-07 04:42:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 3203 transitions. [2020-11-07 04:42:25,631 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 3203 transitions. Word has length 565 [2020-11-07 04:42:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:25,632 INFO L481 AbstractCegarLoop]: Abstraction has 2942 states and 3203 transitions. [2020-11-07 04:42:25,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:42:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3203 transitions. [2020-11-07 04:42:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2020-11-07 04:42:25,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:25,644 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:25,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:42:25,644 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]=== [2020-11-07 04:42:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:25,645 INFO L82 PathProgramCache]: Analyzing trace with hash -969929188, now seen corresponding path program 1 times [2020-11-07 04:42:25,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:25,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1679769709] [2020-11-07 04:42:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,054 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:42:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:42:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:42:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:42:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:42:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:42:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:42:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:42:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:42:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:42:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-11-07 04:42:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-11-07 04:42:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-11-07 04:42:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 85 proven. 54 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2020-11-07 04:42:27,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1679769709] [2020-11-07 04:42:27,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:27,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:42:27,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619588280] [2020-11-07 04:42:27,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:42:27,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:27,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:42:27,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:42:27,045 INFO L87 Difference]: Start difference. First operand 2942 states and 3203 transitions. Second operand 23 states. [2020-11-07 04:42:27,825 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:28,379 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:28,786 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:29,188 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:29,585 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:29,964 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:31,230 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:33,707 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:34,184 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:34,687 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:35,183 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:35,591 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:36,032 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:36,424 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:36,884 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:37,317 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:37,825 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:38,297 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:38,774 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:39,627 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:42:40,622 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:42:41,453 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:42:49,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:49,009 INFO L93 Difference]: Finished difference Result 6642 states and 7699 transitions. [2020-11-07 04:42:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-11-07 04:42:49,011 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 570 [2020-11-07 04:42:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:49,103 INFO L225 Difference]: With dead ends: 6642 [2020-11-07 04:42:49,103 INFO L226 Difference]: Without dead ends: 4087 [2020-11-07 04:42:49,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 148 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2001 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1229, Invalid=5413, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:42:49,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4087 states. [2020-11-07 04:42:50,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4087 to 2782. [2020-11-07 04:42:50,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2782 states. [2020-11-07 04:42:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3014 transitions. [2020-11-07 04:42:50,283 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3014 transitions. Word has length 570 [2020-11-07 04:42:50,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:50,284 INFO L481 AbstractCegarLoop]: Abstraction has 2782 states and 3014 transitions. [2020-11-07 04:42:50,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:42:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3014 transitions. [2020-11-07 04:42:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-11-07 04:42:50,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:50,296 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:50,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:42:50,296 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]=== [2020-11-07 04:42:50,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:50,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1801250676, now seen corresponding path program 1 times [2020-11-07 04:42:50,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:50,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11184417] [2020-11-07 04:42:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,709 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:50,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:42:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:42:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-11-07 04:42:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-11-07 04:42:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:42:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:42:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:42:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:42:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:42:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:42:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:42:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:42:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:42:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-11-07 04:42:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:42:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:42:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 122 proven. 31 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-11-07 04:42:51,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11184417] [2020-11-07 04:42:51,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:51,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:42:51,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605467592] [2020-11-07 04:42:51,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:42:51,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:51,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:42:51,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:42:51,696 INFO L87 Difference]: Start difference. First operand 2782 states and 3014 transitions. Second operand 23 states. [2020-11-07 04:42:52,471 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:53,021 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:42:53,427 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:42:53,829 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:54,226 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:42:54,604 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:55,838 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:58,284 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:58,743 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:59,248 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:59,712 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:00,124 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:00,565 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:00,996 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:01,454 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:01,892 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:02,403 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:02,846 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:03,322 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:07,063 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:07,859 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:43:08,642 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:43:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:12,752 INFO L93 Difference]: Finished difference Result 6097 states and 7047 transitions. [2020-11-07 04:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-11-07 04:43:12,752 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 575 [2020-11-07 04:43:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:12,771 INFO L225 Difference]: With dead ends: 6097 [2020-11-07 04:43:12,771 INFO L226 Difference]: Without dead ends: 3702 [2020-11-07 04:43:12,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2018 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1247, Invalid=5559, Unknown=0, NotChecked=0, Total=6806 [2020-11-07 04:43:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2020-11-07 04:43:13,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 2512. [2020-11-07 04:43:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2512 states. [2020-11-07 04:43:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 2718 transitions. [2020-11-07 04:43:13,886 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 2718 transitions. Word has length 575 [2020-11-07 04:43:13,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:13,887 INFO L481 AbstractCegarLoop]: Abstraction has 2512 states and 2718 transitions. [2020-11-07 04:43:13,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:43:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 2718 transitions. [2020-11-07 04:43:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-11-07 04:43:13,896 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:13,897 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:43:13,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:43:13,897 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]=== [2020-11-07 04:43:13,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:13,898 INFO L82 PathProgramCache]: Analyzing trace with hash 15157638, now seen corresponding path program 2 times [2020-11-07 04:43:13,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:13,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984149617] [2020-11-07 04:43:13,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,322 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:43:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:43:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2020-11-07 04:43:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-11-07 04:43:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-11-07 04:43:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:43:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:43:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:43:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:43:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-11-07 04:43:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2020-11-07 04:43:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:43:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-11-07 04:43:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984149617] [2020-11-07 04:43:15,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:15,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:43:15,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051675422] [2020-11-07 04:43:15,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:43:15,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:15,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:43:15,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:43:15,098 INFO L87 Difference]: Start difference. First operand 2512 states and 2718 transitions. Second operand 18 states. [2020-11-07 04:43:17,920 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:18,407 WARN L194 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:18,817 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:19,238 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:19,634 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:20,003 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:23,340 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:23,803 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:28,487 INFO L93 Difference]: Finished difference Result 8612 states and 10379 transitions. [2020-11-07 04:43:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:43:28,488 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 575 [2020-11-07 04:43:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:28,518 INFO L225 Difference]: With dead ends: 8612 [2020-11-07 04:43:28,518 INFO L226 Difference]: Without dead ends: 5678 [2020-11-07 04:43:28,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 152 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=867, Invalid=3293, Unknown=0, NotChecked=0, Total=4160 [2020-11-07 04:43:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2020-11-07 04:43:30,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 3164. [2020-11-07 04:43:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-11-07 04:43:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 3462 transitions. [2020-11-07 04:43:30,085 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 3462 transitions. Word has length 575 [2020-11-07 04:43:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:30,086 INFO L481 AbstractCegarLoop]: Abstraction has 3164 states and 3462 transitions. [2020-11-07 04:43:30,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:43:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3462 transitions. [2020-11-07 04:43:30,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2020-11-07 04:43:30,097 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:30,097 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:43:30,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:43:30,098 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]=== [2020-11-07 04:43:30,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:30,098 INFO L82 PathProgramCache]: Analyzing trace with hash 310029581, now seen corresponding path program 1 times [2020-11-07 04:43:30,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:30,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101533920] [2020-11-07 04:43:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,513 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:30,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:43:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:43:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-11-07 04:43:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-11-07 04:43:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2020-11-07 04:43:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:43:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:43:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-11-07 04:43:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-11-07 04:43:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:43:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2020-11-07 04:43:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-11-07 04:43:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 134 proven. 47 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2020-11-07 04:43:31,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101533920] [2020-11-07 04:43:31,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:31,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:43:31,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813662949] [2020-11-07 04:43:31,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:43:31,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:31,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:43:31,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:43:31,290 INFO L87 Difference]: Start difference. First operand 3164 states and 3462 transitions. Second operand 20 states. [2020-11-07 04:43:32,081 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:32,595 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:33,000 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:33,436 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:33,831 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:34,207 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:35,556 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:35,948 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:37,714 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:38,188 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:38,692 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:39,469 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:41,501 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:41,939 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:43,822 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:44,217 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:44,596 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:43:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:48,104 INFO L93 Difference]: Finished difference Result 7558 states and 8933 transitions. [2020-11-07 04:43:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:43:48,105 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 585 [2020-11-07 04:43:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:48,127 INFO L225 Difference]: With dead ends: 7558 [2020-11-07 04:43:48,127 INFO L226 Difference]: Without dead ends: 4781 [2020-11-07 04:43:48,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=906, Invalid=3924, Unknown=0, NotChecked=0, Total=4830 [2020-11-07 04:43:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2020-11-07 04:43:50,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 3106. [2020-11-07 04:43:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3106 states. [2020-11-07 04:43:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 3379 transitions. [2020-11-07 04:43:50,024 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 3379 transitions. Word has length 585 [2020-11-07 04:43:50,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:50,024 INFO L481 AbstractCegarLoop]: Abstraction has 3106 states and 3379 transitions. [2020-11-07 04:43:50,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:43:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3379 transitions. [2020-11-07 04:43:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2020-11-07 04:43:50,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:50,035 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:43:50,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:43:50,035 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]=== [2020-11-07 04:43:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:50,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1503173755, now seen corresponding path program 1 times [2020-11-07 04:43:50,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:50,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796641668] [2020-11-07 04:43:50,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,470 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:43:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:43:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:43:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:43:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:43:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:43:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:43:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:43:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:43:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:43:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-11-07 04:43:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-11-07 04:43:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-11-07 04:43:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-11-07 04:43:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2020-11-07 04:43:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-11-07 04:43:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 128 proven. 47 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-11-07 04:43:51,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796641668] [2020-11-07 04:43:51,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:51,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:43:51,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701859844] [2020-11-07 04:43:51,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:43:51,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:43:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:43:51,162 INFO L87 Difference]: Start difference. First operand 3106 states and 3379 transitions. Second operand 18 states. [2020-11-07 04:43:52,024 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:54,168 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:55,357 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:55,780 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:56,566 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:43:56,975 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:57,791 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:43:58,198 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:58,952 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:43:59,737 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:44:00,556 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:44:01,313 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:44:02,030 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:44:05,582 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:44:06,375 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:44:08,523 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:09,746 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:10,198 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:10,996 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:11,393 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:44:12,228 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:44:12,652 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:44:13,401 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:13,844 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:14,318 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:44:14,764 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:44:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:21,001 INFO L93 Difference]: Finished difference Result 9017 states and 10926 transitions. [2020-11-07 04:44:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-11-07 04:44:21,001 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 586 [2020-11-07 04:44:21,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:21,037 INFO L225 Difference]: With dead ends: 9017 [2020-11-07 04:44:21,037 INFO L226 Difference]: Without dead ends: 7175 [2020-11-07 04:44:21,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 173 SyntacticMatches, 6 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3703 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=1877, Invalid=9043, Unknown=0, NotChecked=0, Total=10920 [2020-11-07 04:44:21,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7175 states. [2020-11-07 04:44:23,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7175 to 4419. [2020-11-07 04:44:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4419 states. [2020-11-07 04:44:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 4770 transitions. [2020-11-07 04:44:23,228 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 4770 transitions. Word has length 586 [2020-11-07 04:44:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:23,229 INFO L481 AbstractCegarLoop]: Abstraction has 4419 states and 4770 transitions. [2020-11-07 04:44:23,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:44:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 4770 transitions. [2020-11-07 04:44:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2020-11-07 04:44:23,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:23,245 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:44:23,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:44:23,245 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]=== [2020-11-07 04:44:23,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:23,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1842160083, now seen corresponding path program 1 times [2020-11-07 04:44:23,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:23,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848197277] [2020-11-07 04:44:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,701 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:23,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:44:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:44:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-11-07 04:44:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:44:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:44:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-11-07 04:44:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:44:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2020-11-07 04:44:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-11-07 04:44:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-11-07 04:44:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2020-11-07 04:44:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2020-11-07 04:44:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-11-07 04:44:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2020-11-07 04:44:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2020-11-07 04:44:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2020-11-07 04:44:24,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848197277] [2020-11-07 04:44:24,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:24,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:44:24,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493939958] [2020-11-07 04:44:24,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:44:24,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:24,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:44:24,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:44:24,743 INFO L87 Difference]: Start difference. First operand 4419 states and 4770 transitions. Second operand 20 states. [2020-11-07 04:44:25,538 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:26,806 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:28,318 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:29,534 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:29,957 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:30,730 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:44:31,187 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:31,932 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:44:32,335 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:33,076 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:44:43,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:43,361 INFO L93 Difference]: Finished difference Result 10005 states and 11812 transitions. [2020-11-07 04:44:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-11-07 04:44:43,361 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 716 [2020-11-07 04:44:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:43,386 INFO L225 Difference]: With dead ends: 10005 [2020-11-07 04:44:43,387 INFO L226 Difference]: Without dead ends: 7218 [2020-11-07 04:44:43,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 192 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1752 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1094, Invalid=4456, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:44:43,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2020-11-07 04:44:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 4264. [2020-11-07 04:44:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4264 states. [2020-11-07 04:44:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 4264 states and 4571 transitions. [2020-11-07 04:44:45,385 INFO L78 Accepts]: Start accepts. Automaton has 4264 states and 4571 transitions. Word has length 716 [2020-11-07 04:44:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:45,386 INFO L481 AbstractCegarLoop]: Abstraction has 4264 states and 4571 transitions. [2020-11-07 04:44:45,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:44:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4571 transitions. [2020-11-07 04:44:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2020-11-07 04:44:45,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:45,399 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:44:45,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:44:45,399 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]=== [2020-11-07 04:44:45,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:45,399 INFO L82 PathProgramCache]: Analyzing trace with hash -746827425, now seen corresponding path program 1 times [2020-11-07 04:44:45,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:45,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134219456] [2020-11-07 04:44:45,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,920 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:44:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:44:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:44:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:44:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:44:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:44:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:44:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:44:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:44:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:44:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:44:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-11-07 04:44:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-11-07 04:44:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-07 04:44:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-11-07 04:44:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-11-07 04:44:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-11-07 04:44:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-11-07 04:44:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2020-11-07 04:44:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2020-11-07 04:44:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 181 proven. 87 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-11-07 04:44:46,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134219456] [2020-11-07 04:44:46,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:46,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:44:46,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255267743] [2020-11-07 04:44:46,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:44:46,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:46,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:44:46,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:44:46,731 INFO L87 Difference]: Start difference. First operand 4264 states and 4571 transitions. Second operand 18 states. [2020-11-07 04:44:48,048 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:49,465 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:54,226 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:44:54,688 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:44:55,087 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:55,493 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:55,894 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:56,639 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:45:02,135 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:45:02,571 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:45:03,431 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:45:03,968 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:45:04,435 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:04,892 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:45:05,362 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:11,315 INFO L93 Difference]: Finished difference Result 13908 states and 16319 transitions. [2020-11-07 04:45:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:45:11,316 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 704 [2020-11-07 04:45:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:11,347 INFO L225 Difference]: With dead ends: 13908 [2020-11-07 04:45:11,347 INFO L226 Difference]: Without dead ends: 9743 [2020-11-07 04:45:11,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 194 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2478 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1584, Invalid=6426, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:45:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9743 states. [2020-11-07 04:45:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9743 to 5599. [2020-11-07 04:45:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5599 states. [2020-11-07 04:45:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 5982 transitions. [2020-11-07 04:45:14,241 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 5982 transitions. Word has length 704 [2020-11-07 04:45:14,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:14,241 INFO L481 AbstractCegarLoop]: Abstraction has 5599 states and 5982 transitions. [2020-11-07 04:45:14,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:45:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 5982 transitions. [2020-11-07 04:45:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2020-11-07 04:45:14,257 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:45:14,257 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:45:14,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:45:14,257 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]=== [2020-11-07 04:45:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:45:14,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1645868287, now seen corresponding path program 1 times [2020-11-07 04:45:14,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:45:14,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517117899] [2020-11-07 04:45:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:45:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,686 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:45:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:45:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:45:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:45:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:45:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:45:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:45:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:45:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:45:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 04:45:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:45:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:45:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:45:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:45:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:14,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2020-11-07 04:45:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:45:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2020-11-07 04:45:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:45:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:45:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:45:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:45:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:45:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-11-07 04:45:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2020-11-07 04:45:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:45:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-07 04:45:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:45:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-11-07 04:45:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-11-07 04:45:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-11-07 04:45:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:45:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-11-07 04:45:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:45:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:45:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:45:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:45:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:45:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2020-11-07 04:45:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2020-11-07 04:45:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:45:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 168 proven. 16 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2020-11-07 04:45:15,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517117899] [2020-11-07 04:45:15,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:45:15,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:45:15,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273459979] [2020-11-07 04:45:15,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:45:15,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:45:15,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:45:15,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:45:15,480 INFO L87 Difference]: Start difference. First operand 5599 states and 5982 transitions. Second operand 18 states. [2020-11-07 04:45:16,341 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:45:16,736 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:17,125 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:17,510 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:17,878 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:22,653 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:23,028 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:23,416 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:45:23,808 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:24,197 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:45:24,571 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:45:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:26,206 INFO L93 Difference]: Finished difference Result 6999 states and 7656 transitions. [2020-11-07 04:45:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 04:45:26,206 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 704 [2020-11-07 04:45:26,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:26,208 INFO L225 Difference]: With dead ends: 6999 [2020-11-07 04:45:26,208 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:45:26,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:45:26,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:45:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:45:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:45:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:45:26,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 704 [2020-11-07 04:45:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:26,224 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:45:26,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:45:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:45:26,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:45:26,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:45:26,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:45:26,413 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-11-07 04:45:26,827 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-11-07 04:45:27,350 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:45:27,594 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:45:28,289 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:45:28,476 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:45:36,670 WARN L194 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 864 DAG size of output: 648 [2020-11-07 04:45:43,434 WARN L194 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 864 DAG size of output: 648 [2020-11-07 04:45:44,638 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:45:45,401 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:45:45,505 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:45:45,681 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:45:46,034 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:45:46,897 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 273 [2020-11-07 04:45:47,000 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 260 [2020-11-07 04:45:47,213 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 277 [2020-11-07 04:45:47,735 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 248 [2020-11-07 04:45:48,755 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:45:48,891 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:45:49,283 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:45:49,416 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:45:56,194 WARN L194 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:45:56,911 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-07 04:45:57,093 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 268 [2020-11-07 04:45:57,533 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:45:57,652 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:45:58,836 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 260 [2020-11-07 04:45:59,696 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 268 [2020-11-07 04:45:59,812 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:46:00,012 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-11-07 04:46:00,306 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:46:00,734 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:46:04,862 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:46:12,154 WARN L194 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:46:13,520 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:46:13,652 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:46:17,642 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:46:27,791 WARN L194 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:46:35,226 WARN L194 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:46:36,678 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 271 [2020-11-07 04:46:36,803 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:46:37,945 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:38,361 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:38,503 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:38,728 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:38,873 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:39,033 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:39,351 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:39,514 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:39,755 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:39,913 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:40,126 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:40,269 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:40,476 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:40,648 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:40,958 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:46:41,109 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:46:41,255 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:41,399 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:41,725 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:46:41,830 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:46:42,453 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:42,594 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:42,849 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:43,001 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:43,157 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:43,301 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:43,484 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:43,626 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:43,851 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:43,994 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:44,153 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:46:44,314 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:44,442 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:46:44,571 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:46:44,796 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:44,950 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:45,456 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:45,610 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:45,871 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:46,034 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:46:53,403 WARN L194 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:47:00,757 WARN L194 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:47:07,386 WARN L194 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 864 DAG size of output: 648 [2020-11-07 04:47:08,241 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:47:08,569 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:47:10,927 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:47:11,060 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:47:11,978 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:47:12,116 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-11-07 04:47:12,379 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 270 [2020-11-07 04:47:12,510 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:47:20,312 WARN L194 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 864 DAG size of output: 648 [2020-11-07 04:47:24,237 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:47:31,717 WARN L194 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:47:32,921 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:47:33,041 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:47:33,347 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 257 [2020-11-07 04:47:33,525 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 259 [2020-11-07 04:47:33,970 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:34,116 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:34,260 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:34,539 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:34,705 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:34,870 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:35,012 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:35,244 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:35,385 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:47:45,193 WARN L194 SmtUtils]: Spent 9.34 s on a formula simplification. DAG size of input: 1020 DAG size of output: 768 [2020-11-07 04:47:54,930 WARN L194 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:47:58,589 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 248 [2020-11-07 04:48:04,838 WARN L194 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 863 DAG size of output: 647 [2020-11-07 04:48:05,710 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-11-07 04:48:06,073 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2020-11-07 04:48:06,383 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-07 04:48:06,654 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 259 [2020-11-07 04:48:07,279 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-07 04:48:07,411 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 268 [2020-11-07 04:48:09,355 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-11-07 04:48:09,722 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2020-11-07 04:48:10,030 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 257 [2020-11-07 04:48:10,302 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 259 [2020-11-07 04:48:10,964 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:11,160 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:11,306 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:11,616 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:11,769 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:11,911 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:12,067 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:12,232 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:12,376 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:12,678 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:12,822 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:13,134 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:13,388 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:14,073 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 248 [2020-11-07 04:48:15,595 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-11-07 04:48:24,875 WARN L194 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:48:25,010 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:48:25,273 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:48:25,516 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:25,728 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:25,982 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-11-07 04:48:26,726 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-11-07 04:48:26,830 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-11-07 04:48:27,004 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 241 [2020-11-07 04:48:34,370 WARN L194 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 941 DAG size of output: 705 [2020-11-07 04:48:35,209 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:48:35,348 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:48:35,978 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-11-07 04:48:36,114 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 226 [2020-11-07 04:48:36,429 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 270 [2020-11-07 04:48:36,561 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:48:40,074 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:48:45,564 WARN L194 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 675 DAG size of output: 539 [2020-11-07 04:48:45,994 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-11-07 04:48:46,127 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 268 [2020-11-07 04:48:49,696 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 719 DAG size of output: 560 [2020-11-07 04:48:50,076 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 248 [2020-11-07 04:48:50,443 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:48:51,303 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 273 [2020-11-07 04:48:51,618 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 277 [2020-11-07 04:48:52,124 WARN L194 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 30 [2020-11-07 04:48:54,283 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 238 DAG size of output: 36 [2020-11-07 04:48:56,434 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 238 DAG size of output: 36 [2020-11-07 04:48:58,254 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 193 DAG size of output: 40 [2020-11-07 04:49:00,087 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 196 DAG size of output: 42 [2020-11-07 04:49:01,829 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 193 DAG size of output: 40 [2020-11-07 04:49:12,543 WARN L194 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 535 DAG size of output: 41 [2020-11-07 04:49:14,255 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 35 [2020-11-07 04:49:24,832 WARN L194 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 535 DAG size of output: 41 [2020-11-07 04:49:26,546 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 245 DAG size of output: 40 [2020-11-07 04:49:26,799 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-11-07 04:49:27,408 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:49:27,533 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:49:28,388 WARN L194 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 1 [2020-11-07 04:49:28,986 WARN L194 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:49:29,415 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-11-07 04:49:33,569 WARN L194 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 338 DAG size of output: 45 [2020-11-07 04:49:33,993 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-11-07 04:49:35,245 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 223 DAG size of output: 30 [2020-11-07 04:49:35,948 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 26 [2020-11-07 04:49:37,001 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 216 DAG size of output: 21 [2020-11-07 04:49:37,675 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2020-11-07 04:49:37,910 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-11-07 04:49:38,585 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2020-11-07 04:49:40,182 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 236 DAG size of output: 34 [2020-11-07 04:49:40,514 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-11-07 04:49:43,463 WARN L194 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 208 DAG size of output: 39 [2020-11-07 04:49:44,140 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-11-07 04:49:44,790 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2020-11-07 04:49:46,627 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-11-07 04:49:47,976 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 202 DAG size of output: 32 [2020-11-07 04:49:49,028 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 216 DAG size of output: 21 [2020-11-07 04:49:49,443 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 22 [2020-11-07 04:49:57,876 WARN L194 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 448 DAG size of output: 38 [2020-11-07 04:49:58,942 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 218 DAG size of output: 24 [2020-11-07 04:49:59,541 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:50:01,040 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-11-07 04:50:01,730 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-11-07 04:50:03,375 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 240 DAG size of output: 36 [2020-11-07 04:50:03,815 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 19 [2020-11-07 04:50:05,531 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 245 DAG size of output: 40 [2020-11-07 04:50:06,759 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 35 [2020-11-07 04:50:08,905 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-11-07 04:50:09,534 WARN L194 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:50:13,344 WARN L194 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 333 DAG size of output: 41 [2020-11-07 04:50:13,977 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 37 [2020-11-07 04:50:14,598 WARN L194 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:50:14,932 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-11-07 04:50:15,572 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2020-11-07 04:50:15,705 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:50:16,562 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2020-11-07 04:50:24,956 WARN L194 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 448 DAG size of output: 38 [2020-11-07 04:50:38,632 WARN L194 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:50:38,831 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-11-07 04:50:39,473 WARN L194 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-11-07 04:50:40,118 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-11-07 04:50:40,763 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:50:41,582 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 54 [2020-11-07 04:50:41,707 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:50:43,750 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-11-07 04:50:45,665 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-11-07 04:50:46,011 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-11-07 04:50:47,143 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 37 [2020-11-07 04:50:47,887 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2020-11-07 04:50:48,556 WARN L194 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-11-07 04:50:56,990 WARN L194 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 448 DAG size of output: 38 [2020-11-07 04:50:57,419 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-11-07 04:50:58,506 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 218 DAG size of output: 24 [2020-11-07 04:50:59,108 WARN L194 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:50:59,749 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:50:59,913 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:51:00,555 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-11-07 04:51:01,158 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:51:01,367 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-11-07 04:51:02,735 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 202 DAG size of output: 32 [2020-11-07 04:51:02,934 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-11-07 04:51:03,111 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 1 [2020-11-07 04:51:03,712 WARN L194 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:51:17,429 WARN L194 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:51:17,861 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-11-07 04:51:31,607 WARN L194 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:51:32,473 WARN L194 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-11-07 04:51:32,917 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 19 [2020-11-07 04:51:33,124 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2020-11-07 04:51:35,139 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 252 DAG size of output: 42 [2020-11-07 04:51:36,317 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 209 DAG size of output: 34 [2020-11-07 04:51:38,180 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 244 DAG size of output: 38 [2020-11-07 04:51:40,624 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 299 DAG size of output: 35 [2020-11-07 04:51:43,313 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 325 DAG size of output: 47 [2020-11-07 04:51:43,447 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:51:43,892 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 19 [2020-11-07 04:51:44,916 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 250 DAG size of output: 32 [2020-11-07 04:51:58,600 WARN L194 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:51:59,318 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:52:13,066 WARN L194 SmtUtils]: Spent 13.70 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:52:13,670 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:52:15,466 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 210 DAG size of output: 37 [2020-11-07 04:52:26,223 WARN L194 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 535 DAG size of output: 41 [2020-11-07 04:52:27,796 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 217 DAG size of output: 44 [2020-11-07 04:52:27,921 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:52:29,716 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 210 DAG size of output: 37 [2020-11-07 04:52:31,527 WARN L194 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 207 DAG size of output: 33 [2020-11-07 04:52:31,734 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-11-07 04:52:32,385 WARN L194 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:52:32,599 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 1 [2020-11-07 04:52:33,251 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:52:33,590 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-11-07 04:52:34,272 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-11-07 04:52:34,649 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-11-07 04:52:35,297 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:52:35,957 WARN L194 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 29 [2020-11-07 04:52:37,806 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 251 DAG size of output: 46 [2020-11-07 04:52:38,439 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 31 [2020-11-07 04:52:39,575 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 182 DAG size of output: 49 [2020-11-07 04:52:39,813 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2020-11-07 04:52:41,599 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-11-07 04:52:41,740 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:52:42,346 WARN L194 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:52:44,267 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-11-07 04:52:46,281 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 43 [2020-11-07 04:52:48,081 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-11-07 04:52:48,233 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:52:48,595 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-11-07 04:52:50,645 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-11-07 04:52:52,499 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 244 DAG size of output: 38 [2020-11-07 04:52:54,275 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 251 DAG size of output: 44 [2020-11-07 04:52:55,983 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 249 DAG size of output: 42 [2020-11-07 04:52:56,214 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-11-07 04:52:56,866 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-11-07 04:52:59,023 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2020-11-07 04:52:59,224 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-11-07 04:53:00,465 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 211 DAG size of output: 37 [2020-11-07 04:53:01,714 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 209 DAG size of output: 35 [2020-11-07 04:53:12,607 WARN L194 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 535 DAG size of output: 41 [2020-11-07 04:53:12,806 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-11-07 04:53:21,299 WARN L194 SmtUtils]: Spent 8.49 s on a formula simplification. DAG size of input: 448 DAG size of output: 38 [2020-11-07 04:53:22,160 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 38 [2020-11-07 04:53:23,089 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 32 [2020-11-07 04:53:36,872 WARN L194 SmtUtils]: Spent 13.78 s on a formula simplification. DAG size of input: 588 DAG size of output: 41 [2020-11-07 04:53:38,003 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 182 DAG size of output: 49 [2020-11-07 04:53:38,817 WARN L194 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 44 [2020-11-07 04:53:39,996 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 209 DAG size of output: 35 [2020-11-07 04:53:40,120 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-11-07 04:53:40,290 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:53:41,973 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 240 DAG size of output: 36