/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:25:24,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:25:24,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:25:24,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:25:24,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:25:24,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:25:24,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:25:24,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:25:24,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:25:24,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:25:24,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:25:24,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:25:24,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:25:24,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:25:24,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:25:24,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:25:24,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:25:24,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:25:24,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:25:24,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:25:24,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:25:24,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:25:24,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:25:24,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:25:24,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:25:24,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:25:24,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:25:24,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:25:24,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:25:24,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:25:24,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:25:24,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:25:24,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:25:24,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:25:24,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:25:24,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:25:24,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:25:24,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:25:24,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:25:24,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:25:24,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:25:24,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:25:24,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:25:24,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:25:24,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:25:24,855 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:25:24,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:25:24,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:25:24,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:25:24,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:25:24,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:25:24,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:25:24,856 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:25:24,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:25:24,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:25:24,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:25:24,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:25:24,858 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:25:24,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:25:24,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:25:24,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:25:24,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:25:24,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:25:24,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:25:24,859 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:25:25,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:25:25,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:25:25,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:25:25,244 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:25:25,245 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:25:25,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-10-24 00:25:25,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db54431e6/1ceaa97dafcc4ef897c46978f05fe717/FLAG398c265e5 [2020-10-24 00:25:26,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:25:26,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-10-24 00:25:26,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db54431e6/1ceaa97dafcc4ef897c46978f05fe717/FLAG398c265e5 [2020-10-24 00:25:26,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db54431e6/1ceaa97dafcc4ef897c46978f05fe717 [2020-10-24 00:25:26,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:25:26,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:25:26,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:25:26,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:25:26,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:25:26,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:26,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399c8c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26, skipping insertion in model container [2020-10-24 00:25:26,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:26,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:25:26,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:25:26,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:25:26,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:25:26,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:25:26,945 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:25:26,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26 WrapperNode [2020-10-24 00:25:26,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:25:26,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:25:26,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:25:26,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:25:26,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:26,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... [2020-10-24 00:25:27,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:25:27,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:25:27,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:25:27,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:25:27,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:25:27,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:25:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:25:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:25:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:25:27,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:25:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:25:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:25:27,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:25:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:25:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:25:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:25:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:25:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:25:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:25:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:25:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:25:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:25:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:25:27,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:25:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:25:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:25:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:25:27,212 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:25:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:25:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:25:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:25:27,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:25:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:25:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:25:27,214 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:25:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:25:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:25:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-24 00:25:27,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:25:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:25:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:25:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:25:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:25:27,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:25:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:25:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:25:27,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:25:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:25:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:25:27,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:25:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:25:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:25:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:25:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:25:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:25:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:25:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:25:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:25:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:25:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:25:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:25:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:25:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:25:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:25:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:25:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:25:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:25:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:25:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:25:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:25:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:25:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:25:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:25:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:25:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:25:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:25:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:25:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:25:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:25:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:25:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:25:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:25:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:25:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:25:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:25:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:25:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:25:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:25:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:25:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:25:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:25:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:25:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:25:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:25:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:25:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:25:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:25:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:25:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:25:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:25:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:25:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:25:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:25:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-24 00:25:27,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:25:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:25:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:25:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:25:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:25:28,911 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:25:28,911 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:25:28,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:25:28 BoogieIcfgContainer [2020-10-24 00:25:28,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:25:28,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:25:28,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:25:28,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:25:28,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:25:26" (1/3) ... [2020-10-24 00:25:28,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4facc43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:25:28, skipping insertion in model container [2020-10-24 00:25:28,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:25:26" (2/3) ... [2020-10-24 00:25:28,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4facc43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:25:28, skipping insertion in model container [2020-10-24 00:25:28,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:25:28" (3/3) ... [2020-10-24 00:25:28,933 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-10-24 00:25:28,955 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:25:28,961 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:25:28,974 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:25:29,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:25:29,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:25:29,005 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:25:29,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:25:29,005 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:25:29,005 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:25:29,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:25:29,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:25:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-10-24 00:25:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:25:29,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:29,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:29,055 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:29,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1080584532, now seen corresponding path program 1 times [2020-10-24 00:25:29,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:29,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945940029] [2020-10-24 00:25:29,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:29,905 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:29,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:29,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:25:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:25:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:25:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:25:30,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945940029] [2020-10-24 00:25:30,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:30,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:25:30,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677857819] [2020-10-24 00:25:30,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:25:30,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:30,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:25:30,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:25:30,164 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-10-24 00:25:32,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:32,072 INFO L93 Difference]: Finished difference Result 573 states and 664 transitions. [2020-10-24 00:25:32,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:25:32,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:25:32,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:32,094 INFO L225 Difference]: With dead ends: 573 [2020-10-24 00:25:32,094 INFO L226 Difference]: Without dead ends: 354 [2020-10-24 00:25:32,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:25:32,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-24 00:25:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 306. [2020-10-24 00:25:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-24 00:25:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 331 transitions. [2020-10-24 00:25:32,321 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 331 transitions. Word has length 166 [2020-10-24 00:25:32,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:32,322 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 331 transitions. [2020-10-24 00:25:32,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:25:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 331 transitions. [2020-10-24 00:25:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:25:32,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:32,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:32,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:25:32,328 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:32,329 INFO L82 PathProgramCache]: Analyzing trace with hash 725132887, now seen corresponding path program 1 times [2020-10-24 00:25:32,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:32,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509594091] [2020-10-24 00:25:32,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,900 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:25:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:25:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:25:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:25:33,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509594091] [2020-10-24 00:25:33,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:33,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:25:33,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616495160] [2020-10-24 00:25:33,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:25:33,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:33,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:25:33,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:25:33,038 INFO L87 Difference]: Start difference. First operand 306 states and 331 transitions. Second operand 5 states. [2020-10-24 00:25:33,914 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:35,480 INFO L93 Difference]: Finished difference Result 495 states and 552 transitions. [2020-10-24 00:25:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:25:35,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:25:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:35,487 INFO L225 Difference]: With dead ends: 495 [2020-10-24 00:25:35,487 INFO L226 Difference]: Without dead ends: 343 [2020-10-24 00:25:35,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:25:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-24 00:25:35,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 296. [2020-10-24 00:25:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-24 00:25:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 318 transitions. [2020-10-24 00:25:35,630 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 318 transitions. Word has length 167 [2020-10-24 00:25:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:35,631 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 318 transitions. [2020-10-24 00:25:35,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:25:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 318 transitions. [2020-10-24 00:25:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:25:35,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:35,635 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:35,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:25:35,636 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:35,636 INFO L82 PathProgramCache]: Analyzing trace with hash -544684150, now seen corresponding path program 1 times [2020-10-24 00:25:35,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:35,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577163661] [2020-10-24 00:25:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,306 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:25:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:25:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:25:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:25:36,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577163661] [2020-10-24 00:25:36,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:36,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:25:36,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046591109] [2020-10-24 00:25:36,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:25:36,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:36,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:25:36,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:25:36,571 INFO L87 Difference]: Start difference. First operand 296 states and 318 transitions. Second operand 11 states. [2020-10-24 00:25:37,255 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:37,741 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:38,147 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:25:38,566 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:38,962 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:39,363 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:41,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:41,674 INFO L93 Difference]: Finished difference Result 542 states and 617 transitions. [2020-10-24 00:25:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:25:41,675 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:25:41,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:41,681 INFO L225 Difference]: With dead ends: 542 [2020-10-24 00:25:41,681 INFO L226 Difference]: Without dead ends: 366 [2020-10-24 00:25:41,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:25:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-24 00:25:41,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 296. [2020-10-24 00:25:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-24 00:25:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 317 transitions. [2020-10-24 00:25:41,803 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 317 transitions. Word has length 180 [2020-10-24 00:25:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:41,804 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 317 transitions. [2020-10-24 00:25:41,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:25:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 317 transitions. [2020-10-24 00:25:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-24 00:25:41,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:41,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:41,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:25:41,810 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:41,811 INFO L82 PathProgramCache]: Analyzing trace with hash 412016147, now seen corresponding path program 1 times [2020-10-24 00:25:41,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:41,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907742661] [2020-10-24 00:25:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,301 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:42,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:25:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:25:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-24 00:25:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-24 00:25:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:25:42,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907742661] [2020-10-24 00:25:42,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:42,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:25:42,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361978261] [2020-10-24 00:25:42,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:25:42,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:42,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:25:42,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:25:42,537 INFO L87 Difference]: Start difference. First operand 296 states and 317 transitions. Second operand 8 states. [2020-10-24 00:25:43,264 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:45,894 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:46,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:46,914 INFO L93 Difference]: Finished difference Result 733 states and 864 transitions. [2020-10-24 00:25:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:25:46,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-10-24 00:25:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:46,922 INFO L225 Difference]: With dead ends: 733 [2020-10-24 00:25:46,922 INFO L226 Difference]: Without dead ends: 557 [2020-10-24 00:25:46,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:25:46,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-24 00:25:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 417. [2020-10-24 00:25:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-24 00:25:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 450 transitions. [2020-10-24 00:25:47,163 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 450 transitions. Word has length 193 [2020-10-24 00:25:47,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:47,164 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 450 transitions. [2020-10-24 00:25:47,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:25:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 450 transitions. [2020-10-24 00:25:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-24 00:25:47,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:47,168 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:47,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:25:47,168 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:47,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:47,169 INFO L82 PathProgramCache]: Analyzing trace with hash 948018395, now seen corresponding path program 1 times [2020-10-24 00:25:47,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:47,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86486093] [2020-10-24 00:25:47,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,595 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:25:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:25:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-24 00:25:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-24 00:25:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:25:47,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86486093] [2020-10-24 00:25:47,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:47,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:25:47,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521061837] [2020-10-24 00:25:47,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:25:47,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:47,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:25:47,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:25:47,815 INFO L87 Difference]: Start difference. First operand 417 states and 450 transitions. Second operand 11 states. [2020-10-24 00:25:48,527 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:49,699 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:50,079 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:51,632 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:52,019 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:52,450 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:53,147 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:53,547 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:25:53,923 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:54,756 INFO L93 Difference]: Finished difference Result 851 states and 991 transitions. [2020-10-24 00:25:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-24 00:25:54,756 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-10-24 00:25:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:54,761 INFO L225 Difference]: With dead ends: 851 [2020-10-24 00:25:54,761 INFO L226 Difference]: Without dead ends: 554 [2020-10-24 00:25:54,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-10-24 00:25:54,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-10-24 00:25:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 416. [2020-10-24 00:25:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-24 00:25:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 447 transitions. [2020-10-24 00:25:54,979 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 447 transitions. Word has length 217 [2020-10-24 00:25:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:54,980 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 447 transitions. [2020-10-24 00:25:54,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:25:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 447 transitions. [2020-10-24 00:25:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-24 00:25:54,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:54,984 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] [2020-10-24 00:25:54,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:25:54,984 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:54,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:54,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2013776576, now seen corresponding path program 1 times [2020-10-24 00:25:54,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:54,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097591025] [2020-10-24 00:25:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,345 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:25:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:25:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:25:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-24 00:25:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-24 00:25:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:25:55,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097591025] [2020-10-24 00:25:55,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:25:55,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:25:55,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061275421] [2020-10-24 00:25:55,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:25:55,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:55,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:25:55,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:25:55,668 INFO L87 Difference]: Start difference. First operand 416 states and 447 transitions. Second operand 11 states. [2020-10-24 00:25:57,441 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:57,839 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:58,257 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:25:58,652 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:59,061 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:59,429 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:01,074 INFO L93 Difference]: Finished difference Result 854 states and 1000 transitions. [2020-10-24 00:26:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:26:01,074 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-10-24 00:26:01,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:01,078 INFO L225 Difference]: With dead ends: 854 [2020-10-24 00:26:01,078 INFO L226 Difference]: Without dead ends: 558 [2020-10-24 00:26:01,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:26:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-10-24 00:26:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 424. [2020-10-24 00:26:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-24 00:26:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-10-24 00:26:01,237 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 240 [2020-10-24 00:26:01,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:01,238 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-10-24 00:26:01,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:26:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-10-24 00:26:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-24 00:26:01,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:01,241 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] [2020-10-24 00:26:01,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:26:01,242 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:26:01,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:01,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1506492640, now seen corresponding path program 1 times [2020-10-24 00:26:01,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:01,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391906117] [2020-10-24 00:26:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,671 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:26:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:26:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-24 00:26:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:01,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-24 00:26:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:26:02,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391906117] [2020-10-24 00:26:02,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:26:02,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:26:02,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647169007] [2020-10-24 00:26:02,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:26:02,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:02,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:26:02,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:26:02,003 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 14 states. [2020-10-24 00:26:02,829 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:26:03,231 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:26:03,618 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:03,999 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:04,375 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:05,635 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:06,026 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:06,439 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:06,850 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:07,230 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:09,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:09,337 INFO L93 Difference]: Finished difference Result 871 states and 1018 transitions. [2020-10-24 00:26:09,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:26:09,337 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-24 00:26:09,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:09,341 INFO L225 Difference]: With dead ends: 871 [2020-10-24 00:26:09,341 INFO L226 Difference]: Without dead ends: 567 [2020-10-24 00:26:09,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:26:09,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-10-24 00:26:09,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 430. [2020-10-24 00:26:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-24 00:26:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 461 transitions. [2020-10-24 00:26:09,523 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 461 transitions. Word has length 240 [2020-10-24 00:26:09,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:09,524 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 461 transitions. [2020-10-24 00:26:09,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:26:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 461 transitions. [2020-10-24 00:26:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-24 00:26:09,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:09,528 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] [2020-10-24 00:26:09,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:26:09,528 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:26:09,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:09,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1723047549, now seen corresponding path program 1 times [2020-10-24 00:26:09,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:09,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666037780] [2020-10-24 00:26:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:09,961 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:26:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:26:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-24 00:26:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-24 00:26:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:26:10,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666037780] [2020-10-24 00:26:10,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:26:10,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:26:10,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463989587] [2020-10-24 00:26:10,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:26:10,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:10,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:26:10,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:26:10,215 INFO L87 Difference]: Start difference. First operand 430 states and 461 transitions. Second operand 8 states. [2020-10-24 00:26:10,901 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:11,693 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:15,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:15,389 INFO L93 Difference]: Finished difference Result 1203 states and 1442 transitions. [2020-10-24 00:26:15,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-24 00:26:15,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-10-24 00:26:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:15,395 INFO L225 Difference]: With dead ends: 1203 [2020-10-24 00:26:15,396 INFO L226 Difference]: Without dead ends: 893 [2020-10-24 00:26:15,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:26:15,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-24 00:26:15,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 685. [2020-10-24 00:26:15,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-10-24 00:26:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 753 transitions. [2020-10-24 00:26:15,743 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 753 transitions. Word has length 240 [2020-10-24 00:26:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:15,744 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 753 transitions. [2020-10-24 00:26:15,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:26:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 753 transitions. [2020-10-24 00:26:15,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-24 00:26:15,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:15,749 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] [2020-10-24 00:26:15,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:26:15,749 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:26:15,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:15,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1220511548, now seen corresponding path program 1 times [2020-10-24 00:26:15,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:15,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988174397] [2020-10-24 00:26:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,243 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:26:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:26:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-24 00:26:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:26:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:26:16,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988174397] [2020-10-24 00:26:16,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:26:16,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:26:16,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240141216] [2020-10-24 00:26:16,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:26:16,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:16,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:26:16,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:26:16,582 INFO L87 Difference]: Start difference. First operand 685 states and 753 transitions. Second operand 15 states. [2020-10-24 00:26:17,669 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:26:18,761 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:21,006 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:26:21,838 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:26:22,334 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:26:22,736 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:23,515 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:26:23,917 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:26:24,382 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:24,775 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:26:27,350 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:27,723 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:26:28,122 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:28,986 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:26:31,007 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:26:31,769 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:26:32,624 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:26:33,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:33,462 INFO L93 Difference]: Finished difference Result 2119 states and 2535 transitions. [2020-10-24 00:26:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:26:33,463 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-10-24 00:26:33,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:33,474 INFO L225 Difference]: With dead ends: 2119 [2020-10-24 00:26:33,474 INFO L226 Difference]: Without dead ends: 1661 [2020-10-24 00:26:33,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-10-24 00:26:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-10-24 00:26:34,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1218. [2020-10-24 00:26:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-24 00:26:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1330 transitions. [2020-10-24 00:26:34,236 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1330 transitions. Word has length 245 [2020-10-24 00:26:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:34,237 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1330 transitions. [2020-10-24 00:26:34,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:26:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1330 transitions. [2020-10-24 00:26:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-24 00:26:34,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:34,241 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:26:34,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:26:34,241 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:26:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:34,242 INFO L82 PathProgramCache]: Analyzing trace with hash -830452190, now seen corresponding path program 1 times [2020-10-24 00:26:34,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:34,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406425545] [2020-10-24 00:26:34,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,704 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:26:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:26:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:26:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:26:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:34,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:26:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-24 00:26:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-24 00:26:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:26:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:26:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:35,293 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-24 00:26:35,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406425545] [2020-10-24 00:26:35,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:26:35,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:26:35,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891023820] [2020-10-24 00:26:35,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:26:35,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:35,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:26:35,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:26:35,296 INFO L87 Difference]: Start difference. First operand 1218 states and 1330 transitions. Second operand 19 states. [2020-10-24 00:26:36,178 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:26:36,741 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:26:37,165 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:26:37,597 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:38,021 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:26:38,424 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:26:39,687 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:26:40,125 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:26:40,531 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:26:41,273 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:26:42,659 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:26:43,241 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:26:44,350 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:26:45,579 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:26:46,799 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:26:47,585 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:26:48,374 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:26:48,907 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:26:49,974 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:26:50,774 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:26:51,304 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:26:52,232 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:26:53,173 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:26:55,073 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:26:55,516 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:26:57,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:26:57,416 INFO L93 Difference]: Finished difference Result 2928 states and 3388 transitions. [2020-10-24 00:26:57,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-24 00:26:57,418 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-10-24 00:26:57,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:26:57,429 INFO L225 Difference]: With dead ends: 2928 [2020-10-24 00:26:57,430 INFO L226 Difference]: Without dead ends: 1932 [2020-10-24 00:26:57,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-10-24 00:26:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-10-24 00:26:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1449. [2020-10-24 00:26:58,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-10-24 00:26:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1589 transitions. [2020-10-24 00:26:58,170 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1589 transitions. Word has length 336 [2020-10-24 00:26:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:26:58,171 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1589 transitions. [2020-10-24 00:26:58,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:26:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1589 transitions. [2020-10-24 00:26:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-10-24 00:26:58,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:26:58,179 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:26:58,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:26:58,180 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:26:58,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:26:58,180 INFO L82 PathProgramCache]: Analyzing trace with hash 741024824, now seen corresponding path program 1 times [2020-10-24 00:26:58,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:26:58,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871845951] [2020-10-24 00:26:58,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:26:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,597 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:26:58,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:26:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:26:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:26:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:26:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:26:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:26:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:26:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:26:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:26:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:26:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:26:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:26:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:26:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-24 00:26:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-24 00:26:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:26:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:26:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:26:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-10-24 00:26:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:26:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:26:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:26:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:26:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:26:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:26:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:26:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:26:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-10-24 00:26:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:26:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:26:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2020-10-24 00:26:59,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871845951] [2020-10-24 00:26:59,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:26:59,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 00:26:59,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699056751] [2020-10-24 00:26:59,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:26:59,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:26:59,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:26:59,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:26:59,255 INFO L87 Difference]: Start difference. First operand 1449 states and 1589 transitions. Second operand 13 states. [2020-10-24 00:27:02,450 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:02,828 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:03,211 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:27:03,670 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:04,120 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:04,496 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:05,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:05,633 INFO L93 Difference]: Finished difference Result 3015 states and 3455 transitions. [2020-10-24 00:27:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:27:05,634 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 533 [2020-10-24 00:27:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:05,647 INFO L225 Difference]: With dead ends: 3015 [2020-10-24 00:27:05,647 INFO L226 Difference]: Without dead ends: 1824 [2020-10-24 00:27:05,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-10-24 00:27:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2020-10-24 00:27:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1473. [2020-10-24 00:27:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2020-10-24 00:27:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1613 transitions. [2020-10-24 00:27:06,435 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1613 transitions. Word has length 533 [2020-10-24 00:27:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:06,436 INFO L481 AbstractCegarLoop]: Abstraction has 1473 states and 1613 transitions. [2020-10-24 00:27:06,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:27:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1613 transitions. [2020-10-24 00:27:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-10-24 00:27:06,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:06,444 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:27:06,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:27:06,444 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:27:06,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:06,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1474738136, now seen corresponding path program 1 times [2020-10-24 00:27:06,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:06,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [505568330] [2020-10-24 00:27:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,915 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:06,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:27:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:27:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:27:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:27:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:27:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-10-24 00:27:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-24 00:27:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:27:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-10-24 00:27:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:27:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:27:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-10-24 00:27:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:27:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-24 00:27:07,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [505568330] [2020-10-24 00:27:07,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:07,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:27:07,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113862709] [2020-10-24 00:27:07,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:27:07,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:07,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:27:07,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:27:07,632 INFO L87 Difference]: Start difference. First operand 1473 states and 1613 transitions. Second operand 17 states. [2020-10-24 00:27:10,203 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:10,612 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:11,046 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:11,492 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:11,879 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:12,266 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:15,156 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:15,584 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:18,280 INFO L93 Difference]: Finished difference Result 4286 states and 5056 transitions. [2020-10-24 00:27:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-24 00:27:18,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 533 [2020-10-24 00:27:18,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:18,297 INFO L225 Difference]: With dead ends: 4286 [2020-10-24 00:27:18,297 INFO L226 Difference]: Without dead ends: 2738 [2020-10-24 00:27:18,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-10-24 00:27:18,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2020-10-24 00:27:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 1895. [2020-10-24 00:27:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-10-24 00:27:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2108 transitions. [2020-10-24 00:27:19,287 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2108 transitions. Word has length 533 [2020-10-24 00:27:19,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:19,288 INFO L481 AbstractCegarLoop]: Abstraction has 1895 states and 2108 transitions. [2020-10-24 00:27:19,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:27:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2108 transitions. [2020-10-24 00:27:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-10-24 00:27:19,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:19,297 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:27:19,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:27:19,297 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:27:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1200893883, now seen corresponding path program 1 times [2020-10-24 00:27:19,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:19,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093547928] [2020-10-24 00:27:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,777 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:19,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:27:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:19,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:27:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:27:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:27:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:27:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-24 00:27:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-24 00:27:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:27:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:27:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:27:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:27:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-10-24 00:27:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-10-24 00:27:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-10-24 00:27:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 134 proven. 41 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-24 00:27:20,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093547928] [2020-10-24 00:27:20,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:20,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:27:20,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267143464] [2020-10-24 00:27:20,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:27:20,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:20,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:27:20,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:27:20,504 INFO L87 Difference]: Start difference. First operand 1895 states and 2108 transitions. Second operand 19 states. [2020-10-24 00:27:21,290 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:21,814 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:22,231 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:27:22,639 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:23,043 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:27:23,430 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:24,788 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:25,188 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:26,687 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:27,204 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:27,744 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:28,435 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:29,814 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:30,210 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:31,554 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:31,966 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:32,380 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:27:34,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:27:34,391 INFO L93 Difference]: Finished difference Result 3975 states and 4635 transitions. [2020-10-24 00:27:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-24 00:27:34,392 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 547 [2020-10-24 00:27:34,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:27:34,405 INFO L225 Difference]: With dead ends: 3975 [2020-10-24 00:27:34,406 INFO L226 Difference]: Without dead ends: 2338 [2020-10-24 00:27:34,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 00:27:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-10-24 00:27:35,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1823. [2020-10-24 00:27:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-10-24 00:27:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2009 transitions. [2020-10-24 00:27:35,322 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2009 transitions. Word has length 547 [2020-10-24 00:27:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:27:35,323 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 2009 transitions. [2020-10-24 00:27:35,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:27:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2009 transitions. [2020-10-24 00:27:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-10-24 00:27:35,332 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:27:35,333 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:27:35,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:27:35,333 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:27:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:27:35,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1482224753, now seen corresponding path program 1 times [2020-10-24 00:27:35,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:27:35,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671599911] [2020-10-24 00:27:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:27:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,827 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:27:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:27:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:27:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:27:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:27:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:27:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:27:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:27:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:27:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:27:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:35,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:27:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:27:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:27:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:27:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:27:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-24 00:27:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-24 00:27:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:27:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:27:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:27:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-10-24 00:27:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-24 00:27:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:27:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-10-24 00:27:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:27:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:27:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:27:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:27:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:27:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-10-24 00:27:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-10-24 00:27:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:27:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 133 proven. 66 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-24 00:27:36,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671599911] [2020-10-24 00:27:36,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:27:36,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:27:36,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769853989] [2020-10-24 00:27:36,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:27:36,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:27:36,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:27:36,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:27:36,575 INFO L87 Difference]: Start difference. First operand 1823 states and 2009 transitions. Second operand 17 states. [2020-10-24 00:27:37,410 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:39,504 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:40,663 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:41,100 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:41,944 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:27:42,363 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:43,159 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:27:43,572 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:44,332 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:27:45,132 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:27:46,018 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-10-24 00:27:46,786 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:27:47,169 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:49,835 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:50,271 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:51,811 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:27:53,223 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:27:53,669 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:27:54,464 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:27:54,857 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:27:55,648 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:27:56,050 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:27:56,805 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:27:57,266 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:27:57,724 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:27:58,143 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:28:02,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:02,514 INFO L93 Difference]: Finished difference Result 4532 states and 5368 transitions. [2020-10-24 00:28:02,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2020-10-24 00:28:02,515 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 544 [2020-10-24 00:28:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:02,534 INFO L225 Difference]: With dead ends: 4532 [2020-10-24 00:28:02,535 INFO L226 Difference]: Without dead ends: 3462 [2020-10-24 00:28:02,543 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 145 SyntacticMatches, 9 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2607 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=1286, Invalid=6370, Unknown=0, NotChecked=0, Total=7656 [2020-10-24 00:28:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2020-10-24 00:28:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 2571. [2020-10-24 00:28:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2571 states. [2020-10-24 00:28:03,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 2816 transitions. [2020-10-24 00:28:03,892 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 2816 transitions. Word has length 544 [2020-10-24 00:28:03,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:03,893 INFO L481 AbstractCegarLoop]: Abstraction has 2571 states and 2816 transitions. [2020-10-24 00:28:03,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:28:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 2816 transitions. [2020-10-24 00:28:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-10-24 00:28:03,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:03,904 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:03,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:28:03,905 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:28:03,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:03,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1071772829, now seen corresponding path program 2 times [2020-10-24 00:28:03,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:03,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126565754] [2020-10-24 00:28:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,372 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:04,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:28:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:28:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:28:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:28:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:28:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:28:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:28:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:28:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-24 00:28:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-24 00:28:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:28:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-24 00:28:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:28:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:04,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:28:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-10-24 00:28:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-10-24 00:28:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-10-24 00:28:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:28:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-10-24 00:28:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-10-24 00:28:05,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126565754] [2020-10-24 00:28:05,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:28:05,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:28:05,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195534691] [2020-10-24 00:28:05,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:28:05,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:28:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:28:05,512 INFO L87 Difference]: Start difference. First operand 2571 states and 2816 transitions. Second operand 19 states. [2020-10-24 00:28:06,323 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:07,569 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:08,873 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:10,013 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:10,479 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:11,367 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:28:11,823 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:12,685 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:28:13,138 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:13,944 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:28:18,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:28:18,790 INFO L93 Difference]: Finished difference Result 5003 states and 5794 transitions. [2020-10-24 00:28:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-24 00:28:18,791 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 651 [2020-10-24 00:28:18,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:28:18,811 INFO L225 Difference]: With dead ends: 5003 [2020-10-24 00:28:18,811 INFO L226 Difference]: Without dead ends: 3384 [2020-10-24 00:28:18,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 165 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=709, Invalid=2597, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 00:28:18,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2020-10-24 00:28:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 2431. [2020-10-24 00:28:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2020-10-24 00:28:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 2634 transitions. [2020-10-24 00:28:19,993 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 2634 transitions. Word has length 651 [2020-10-24 00:28:19,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:28:19,994 INFO L481 AbstractCegarLoop]: Abstraction has 2431 states and 2634 transitions. [2020-10-24 00:28:19,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:28:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2634 transitions. [2020-10-24 00:28:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-10-24 00:28:20,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:28:20,003 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:28:20,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:28:20,004 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:28:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:28:20,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1897481671, now seen corresponding path program 1 times [2020-10-24 00:28:20,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:28:20,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444593861] [2020-10-24 00:28:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:28:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,524 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:28:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:28:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:28:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:28:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:28:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:28:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:28:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:28:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:28:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:28:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:28:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:28:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:28:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-24 00:28:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-24 00:28:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:28:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:28:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:28:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:28:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-10-24 00:28:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-10-24 00:28:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:28:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:28:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:28:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-10-24 00:28:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-10-24 00:28:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-10-24 00:28:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:28:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-10-24 00:28:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:28:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:28:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:28:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:28:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:28:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-10-24 00:28:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2020-10-24 00:28:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:28:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2020-10-24 00:28:21,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444593861] [2020-10-24 00:28:21,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:28:21,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:28:21,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725595339] [2020-10-24 00:28:21,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:28:21,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:28:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:28:21,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:28:21,709 INFO L87 Difference]: Start difference. First operand 2431 states and 2634 transitions. Second operand 24 states. [2020-10-24 00:28:22,630 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:25,580 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:28:26,986 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:27,470 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:28:28,359 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:28:29,212 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:28:30,136 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:28:31,015 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:28:31,830 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:28:32,665 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:28:33,590 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:28:34,394 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-24 00:28:35,175 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-10-24 00:28:38,280 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:28:39,444 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-10-24 00:28:40,275 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-10-24 00:28:41,175 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-24 00:28:41,998 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-24 00:28:43,730 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:28:44,625 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:28:45,479 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:28:46,330 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:28:47,155 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:28:48,607 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:28:48,992 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:28:49,609 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:28:50,062 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:28:50,516 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:50,975 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:28:51,415 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:28:51,868 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:28:52,324 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:52,792 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:28:53,275 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:28:53,738 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:28:54,167 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:28:55,625 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:28:56,454 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:28:56,893 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:28:57,707 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-10-24 00:28:58,527 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:28:59,427 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:28:59,862 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:00,709 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:29:01,132 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:29:02,046 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-10-24 00:29:02,841 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:29:03,697 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-10-24 00:29:04,159 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:29:04,656 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:29:05,103 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:29:09,326 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:29:10,255 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-10-24 00:29:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:13,743 INFO L93 Difference]: Finished difference Result 6156 states and 7044 transitions. [2020-10-24 00:29:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-10-24 00:29:13,744 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 661 [2020-10-24 00:29:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:13,765 INFO L225 Difference]: With dead ends: 6156 [2020-10-24 00:29:13,765 INFO L226 Difference]: Without dead ends: 4167 [2020-10-24 00:29:13,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 178 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6217 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=2709, Invalid=14321, Unknown=0, NotChecked=0, Total=17030 [2020-10-24 00:29:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states. [2020-10-24 00:29:15,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 2802. [2020-10-24 00:29:15,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states. [2020-10-24 00:29:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3024 transitions. [2020-10-24 00:29:15,227 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3024 transitions. Word has length 661 [2020-10-24 00:29:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:15,228 INFO L481 AbstractCegarLoop]: Abstraction has 2802 states and 3024 transitions. [2020-10-24 00:29:15,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:29:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3024 transitions. [2020-10-24 00:29:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-10-24 00:29:15,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:15,238 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:15,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:29:15,238 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:15,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:15,239 INFO L82 PathProgramCache]: Analyzing trace with hash 977365067, now seen corresponding path program 1 times [2020-10-24 00:29:15,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:15,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561018982] [2020-10-24 00:29:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,721 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:29:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:29:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:15,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:29:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:29:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:29:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-24 00:29:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-24 00:29:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-24 00:29:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:29:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:29:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-10-24 00:29:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-10-24 00:29:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-10-24 00:29:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-24 00:29:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-10-24 00:29:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2020-10-24 00:29:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-10-24 00:29:16,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561018982] [2020-10-24 00:29:16,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:29:16,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:29:16,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324717068] [2020-10-24 00:29:16,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:29:16,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:16,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:29:16,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:29:16,623 INFO L87 Difference]: Start difference. First operand 2802 states and 3024 transitions. Second operand 19 states. [2020-10-24 00:29:17,385 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:18,587 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:19,968 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:21,112 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:21,554 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:29:22,380 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:29:22,791 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:23,606 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:29:24,052 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:29:24,817 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:29:27,833 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:28,711 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:29:29,150 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:29:29,945 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:29:30,761 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:29:31,561 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:29:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:35,823 INFO L93 Difference]: Finished difference Result 6140 states and 7024 transitions. [2020-10-24 00:29:35,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-24 00:29:35,824 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 666 [2020-10-24 00:29:35,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:35,844 INFO L225 Difference]: With dead ends: 6140 [2020-10-24 00:29:35,844 INFO L226 Difference]: Without dead ends: 4300 [2020-10-24 00:29:35,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 180 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2000 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=1292, Invalid=4870, Unknown=0, NotChecked=0, Total=6162 [2020-10-24 00:29:35,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2020-10-24 00:29:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 3043. [2020-10-24 00:29:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2020-10-24 00:29:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 3286 transitions. [2020-10-24 00:29:37,628 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 3286 transitions. Word has length 666 [2020-10-24 00:29:37,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:37,629 INFO L481 AbstractCegarLoop]: Abstraction has 3043 states and 3286 transitions. [2020-10-24 00:29:37,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:29:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 3286 transitions. [2020-10-24 00:29:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2020-10-24 00:29:37,638 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:37,639 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:37,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:29:37,639 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:37,640 INFO L82 PathProgramCache]: Analyzing trace with hash -267358111, now seen corresponding path program 1 times [2020-10-24 00:29:37,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:37,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495566686] [2020-10-24 00:29:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,094 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:38,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:29:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:29:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:29:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:29:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-24 00:29:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-24 00:29:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-10-24 00:29:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-24 00:29:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:29:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-24 00:29:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:29:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-10-24 00:29:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-10-24 00:29:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-10-24 00:29:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:29:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-10-24 00:29:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2020-10-24 00:29:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2020-10-24 00:29:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2020-10-24 00:29:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2020-10-24 00:29:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2020-10-24 00:29:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 296 proven. 24 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2020-10-24 00:29:38,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495566686] [2020-10-24 00:29:38,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:29:38,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:29:38,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319521487] [2020-10-24 00:29:38,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:29:38,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:38,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:29:38,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:29:38,843 INFO L87 Difference]: Start difference. First operand 3043 states and 3286 transitions. Second operand 12 states. [2020-10-24 00:29:39,555 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:42,174 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:44,256 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:29:46,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:29:46,278 INFO L93 Difference]: Finished difference Result 5827 states and 6564 transitions. [2020-10-24 00:29:46,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-24 00:29:46,278 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 767 [2020-10-24 00:29:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:29:46,296 INFO L225 Difference]: With dead ends: 5827 [2020-10-24 00:29:46,296 INFO L226 Difference]: Without dead ends: 3784 [2020-10-24 00:29:46,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2020-10-24 00:29:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2020-10-24 00:29:47,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 3005. [2020-10-24 00:29:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3005 states. [2020-10-24 00:29:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 3230 transitions. [2020-10-24 00:29:47,953 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 3230 transitions. Word has length 767 [2020-10-24 00:29:47,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:29:47,954 INFO L481 AbstractCegarLoop]: Abstraction has 3005 states and 3230 transitions. [2020-10-24 00:29:47,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:29:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3230 transitions. [2020-10-24 00:29:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-10-24 00:29:47,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:29:47,964 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:29:47,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:29:47,965 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:29:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:29:47,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1798688235, now seen corresponding path program 2 times [2020-10-24 00:29:47,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:29:47,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493535359] [2020-10-24 00:29:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:29:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,446 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:29:48,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:29:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:29:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:29:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:29:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:29:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:29:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:29:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:29:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:29:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-24 00:29:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-24 00:29:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:29:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-10-24 00:29:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-24 00:29:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 00:29:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-10-24 00:29:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:29:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:29:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:29:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:29:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-10-24 00:29:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-10-24 00:29:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-10-24 00:29:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:29:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:29:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:29:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2020-10-24 00:29:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2020-10-24 00:29:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2020-10-24 00:29:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:29:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2020-10-24 00:29:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:29:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:29:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:29:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:29:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:29:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2020-10-24 00:29:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2020-10-24 00:29:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:29:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 339 proven. 30 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-10-24 00:29:49,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493535359] [2020-10-24 00:29:49,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:29:49,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:29:49,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860010018] [2020-10-24 00:29:49,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:29:49,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:29:49,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:29:49,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:29:49,692 INFO L87 Difference]: Start difference. First operand 3005 states and 3230 transitions. Second operand 19 states. [2020-10-24 00:29:50,830 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:29:51,965 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:55,268 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:56,130 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:29:56,903 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 211 [2020-10-24 00:29:58,418 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:29:58,938 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:29:59,379 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:29:59,819 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:00,258 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:30:00,717 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:30:02,281 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:30:03,838 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-10-24 00:30:04,757 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 223 [2020-10-24 00:30:05,701 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:30:06,608 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-10-24 00:30:07,472 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:30:09,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:30:09,894 INFO L93 Difference]: Finished difference Result 4895 states and 5457 transitions. [2020-10-24 00:30:09,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-10-24 00:30:09,895 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 768 [2020-10-24 00:30:09,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:30:09,898 INFO L225 Difference]: With dead ends: 4895 [2020-10-24 00:30:09,899 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:30:09,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 195 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2105 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1227, Invalid=5415, Unknown=0, NotChecked=0, Total=6642 [2020-10-24 00:30:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:30:09,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:30:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:30:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:30:09,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 768 [2020-10-24 00:30:09,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:30:09,913 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:30:09,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:30:09,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:30:09,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:30:09,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:30:09,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:30:10,230 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 250 [2020-10-24 00:30:10,532 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 216 [2020-10-24 00:30:10,955 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:30:11,608 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2020-10-24 00:30:12,413 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:30:13,046 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 257 [2020-10-24 00:30:13,469 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-10-24 00:30:13,690 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-24 00:30:13,934 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-24 00:30:14,450 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-10-24 00:30:15,261 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-10-24 00:30:15,467 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-10-24 00:30:16,415 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:30:16,823 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-10-24 00:30:17,700 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:30:18,225 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:30:18,930 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 283 [2020-10-24 00:30:24,128 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-10-24 00:30:29,868 WARN L193 SmtUtils]: Spent 5.71 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-10-24 00:30:30,139 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-10-24 00:30:30,750 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-10-24 00:30:31,496 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 274 [2020-10-24 00:30:32,100 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-10-24 00:30:32,316 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-10-24 00:30:32,874 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-10-24 00:30:33,527 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-10-24 00:30:33,638 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-10-24 00:30:33,938 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-10-24 00:30:34,339 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 275 [2020-10-24 00:30:34,631 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-10-24 00:30:34,997 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2020-10-24 00:30:35,786 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-24 00:30:39,693 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:30:40,694 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-24 00:30:40,821 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-24 00:30:41,529 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:30:48,170 WARN L193 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-10-24 00:30:51,685 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-10-24 00:30:56,654 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:31:02,333 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-10-24 00:31:03,941 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:31:04,104 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:31:04,626 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:04,861 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:05,193 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:05,502 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:05,735 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:05,909 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:31:06,082 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:31:13,127 WARN L193 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 937 DAG size of output: 755 [2020-10-24 00:31:13,489 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:31:13,653 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:31:15,333 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:31:15,610 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:31:15,936 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:16,127 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:16,408 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:16,597 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:17,084 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:17,268 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:17,904 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-10-24 00:31:18,028 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-24 00:31:18,583 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:31:18,800 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:31:19,534 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:19,726 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:20,046 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:20,241 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:31:20,404 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:31:20,645 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:20,833 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:31:27,208 WARN L193 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-10-24 00:31:27,594 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:31:33,857 WARN L193 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-10-24 00:31:34,471 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2020-10-24 00:31:36,167 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 274 [2020-10-24 00:31:37,285 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:31:39,781 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-10-24 00:31:40,068 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 266 [2020-10-24 00:31:40,789 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 261 [2020-10-24 00:31:40,902 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:31:41,992 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:31:42,597 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-10-24 00:31:42,872 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 266 [2020-10-24 00:31:43,595 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 261 [2020-10-24 00:31:43,705 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:31:46,439 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-10-24 00:31:47,011 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-10-24 00:31:47,710 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-10-24 00:31:48,479 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-10-24 00:31:54,271 WARN L193 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-10-24 00:32:01,781 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-10-24 00:32:04,715 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:32:07,963 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 671 DAG size of output: 531 [2020-10-24 00:32:10,854 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:32:12,173 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:32:12,783 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 234 [2020-10-24 00:32:13,190 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-10-24 00:32:14,216 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 274 [2020-10-24 00:32:14,759 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 250 [2020-10-24 00:32:15,816 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-10-24 00:32:15,925 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-10-24 00:32:17,024 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:32:17,666 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:32:19,507 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:32:24,786 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-10-24 00:32:30,027 WARN L193 SmtUtils]: Spent 4.65 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-10-24 00:32:30,274 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-10-24 00:32:30,948 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:32:31,154 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:32:31,890 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:32,078 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:32,406 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:32,595 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:32:32,766 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:32:33,006 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:33,193 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:37,287 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:32:40,271 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:32:41,312 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:32:41,777 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:42,412 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 256 [2020-10-24 00:32:42,675 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2020-10-24 00:32:42,778 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 254 [2020-10-24 00:32:43,260 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 250 [2020-10-24 00:32:44,192 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:32:44,400 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-10-24 00:32:45,137 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:45,325 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:45,648 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:45,842 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:32:46,012 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:32:46,257 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:46,447 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:50,216 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-10-24 00:32:50,461 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-10-24 00:32:51,058 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-10-24 00:32:51,711 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 257 [2020-10-24 00:32:52,391 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:32:58,571 WARN L193 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-10-24 00:33:01,398 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:33:04,268 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-10-24 00:33:10,144 WARN L193 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-10-24 00:33:15,815 WARN L193 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-10-24 00:33:21,494 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-10-24 00:33:21,859 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-10-24 00:33:22,298 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-10-24 00:33:23,001 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-10-24 00:33:23,635 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-10-24 00:33:24,277 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-10-24 00:33:24,385 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-10-24 00:33:25,074 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 275 [2020-10-24 00:33:25,710 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2020-10-24 00:33:26,524 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-10-24 00:33:28,949 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 252 DAG size of output: 34 [2020-10-24 00:33:30,339 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 231 DAG size of output: 32 [2020-10-24 00:33:30,806 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-24 00:33:31,084 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:33:31,404 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:31,758 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-10-24 00:33:33,104 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-10-24 00:33:33,424 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:33,745 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:34,088 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:35,413 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-10-24 00:33:36,569 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 279 DAG size of output: 30 [2020-10-24 00:33:36,801 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:33:38,545 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 387 DAG size of output: 1 [2020-10-24 00:33:39,947 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:33:40,264 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:40,605 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:33:47,816 WARN L193 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-10-24 00:33:48,615 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:33:56,497 WARN L193 SmtUtils]: Spent 7.86 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-10-24 00:34:00,050 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 425 DAG size of output: 39 [2020-10-24 00:34:04,792 WARN L193 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 415 DAG size of output: 35 [2020-10-24 00:34:05,722 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 24 [2020-10-24 00:34:05,933 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-10-24 00:34:06,755 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:34:09,115 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 220 DAG size of output: 38 [2020-10-24 00:34:09,493 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:34:09,867 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:34:11,410 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-10-24 00:34:12,810 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-10-24 00:34:13,347 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-10-24 00:34:13,562 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-10-24 00:34:14,109 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-10-24 00:34:14,557 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-24 00:34:16,087 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-10-24 00:34:16,900 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 17 [2020-10-24 00:34:18,219 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 224 DAG size of output: 49 [2020-10-24 00:34:18,405 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 14 [2020-10-24 00:34:19,792 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 217 DAG size of output: 55 [2020-10-24 00:34:20,257 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-24 00:34:21,279 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-10-24 00:34:22,089 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 17 [2020-10-24 00:34:22,934 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-10-24 00:34:30,882 WARN L193 SmtUtils]: Spent 7.93 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-10-24 00:34:32,181 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-10-24 00:34:33,197 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 39 [2020-10-24 00:34:33,607 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-24 00:34:33,869 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:34:34,786 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 33 [2020-10-24 00:34:36,363 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 239 DAG size of output: 37 [2020-10-24 00:34:37,191 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-10-24 00:34:37,991 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:34:39,575 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-10-24 00:34:41,223 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-10-24 00:34:41,888 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-10-24 00:34:43,364 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 229 DAG size of output: 32 [2020-10-24 00:34:43,586 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:34:45,149 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-10-24 00:34:45,381 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:34:49,589 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:34:50,959 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 211 DAG size of output: 32 [2020-10-24 00:34:51,218 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:34:58,417 WARN L193 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-10-24 00:34:59,350 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 33 [2020-10-24 00:35:00,212 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 40 [2020-10-24 00:35:01,046 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:35:04,043 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 341 DAG size of output: 37 [2020-10-24 00:35:14,235 WARN L193 SmtUtils]: Spent 10.18 s on a formula simplification. DAG size of input: 625 DAG size of output: 36 [2020-10-24 00:35:14,918 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 14 [2020-10-24 00:35:18,375 WARN L193 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 377 DAG size of output: 44 [2020-10-24 00:35:19,872 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2020-10-24 00:35:21,114 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 244 DAG size of output: 29 [2020-10-24 00:35:24,101 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 340 DAG size of output: 38 [2020-10-24 00:35:24,282 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 14 [2020-10-24 00:35:32,362 WARN L193 SmtUtils]: Spent 8.04 s on a formula simplification. DAG size of input: 589 DAG size of output: 38 [2020-10-24 00:35:34,644 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-10-24 00:35:34,850 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 14 [2020-10-24 00:35:35,135 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:35:42,444 WARN L193 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-10-24 00:35:44,737 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 232 DAG size of output: 36 [2020-10-24 00:35:45,156 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:35:45,545 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:35:46,768 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 202 DAG size of output: 49 [2020-10-24 00:35:47,092 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:35:47,358 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:35:49,335 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 264 DAG size of output: 39 [2020-10-24 00:35:50,357 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:35:51,362 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:35:51,840 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-24 00:35:53,571 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 246 DAG size of output: 33 [2020-10-24 00:35:54,613 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 179 DAG size of output: 21 [2020-10-24 00:35:54,998 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:35:55,993 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-10-24 00:36:00,159 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 360 DAG size of output: 42 [2020-10-24 00:36:00,630 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-24 00:36:01,014 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:36:02,079 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 211 DAG size of output: 36 [2020-10-24 00:36:02,475 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-24 00:36:06,664 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 360 DAG size of output: 42 [2020-10-24 00:36:06,917 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:36:07,148 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:36:09,029 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 263 DAG size of output: 30 [2020-10-24 00:36:10,560 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 251 DAG size of output: 33 [2020-10-24 00:36:12,363 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-10-24 00:36:14,153 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-10-24 00:36:22,067 WARN L193 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-10-24 00:36:23,449 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 217 DAG size of output: 55 [2020-10-24 00:36:25,421 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 232 DAG size of output: 35 [2020-10-24 00:36:25,658 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-10-24 00:36:33,651 WARN L193 SmtUtils]: Spent 7.96 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-10-24 00:36:34,458 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:36:38,713 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:36:44,229 WARN L193 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 417 DAG size of output: 38 [2020-10-24 00:36:48,472 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:36:48,876 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:36:50,638 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-10-24 00:36:50,927 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:36:52,792 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 261 DAG size of output: 30 [2020-10-24 00:36:54,784 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 280 DAG size of output: 32 [2020-10-24 00:36:55,324 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 14 [2020-10-24 00:36:57,265 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 264 DAG size of output: 39 [2020-10-24 00:36:58,130 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 21 [2020-10-24 00:36:59,618 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-10-24 00:37:00,733 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 274 DAG size of output: 31 [2020-10-24 00:37:00,935 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-10-24 00:37:01,326 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:37:01,675 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-24 00:37:03,157 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 235 DAG size of output: 32 [2020-10-24 00:37:04,891 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 261 DAG size of output: 30 [2020-10-24 00:37:07,044 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-10-24 00:37:07,834 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-10-24 00:37:10,114 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 220 DAG size of output: 38 [2020-10-24 00:37:10,366 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-10-24 00:37:17,472 WARN L193 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-10-24 00:37:18,292 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 40 [2020-10-24 00:37:25,377 WARN L193 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-10-24 00:37:25,760 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 1 [2020-10-24 00:37:28,610 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 340 DAG size of output: 38 [2020-10-24 00:37:30,275 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 225 DAG size of output: 43 [2020-10-24 00:37:34,424 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:37:35,018 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2020-10-24 00:37:36,545 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 219 DAG size of output: 35 [2020-10-24 00:37:38,180 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 222 DAG size of output: 40 [2020-10-24 00:37:38,543 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:37:40,156 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 222 DAG size of output: 40 [2020-10-24 00:37:41,075 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:37:41,448 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-10-24 00:37:41,830 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 31 [2020-10-24 00:37:42,134 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-10-24 00:37:42,934 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 17 [2020-10-24 00:37:44,591 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 387 DAG size of output: 1 [2020-10-24 00:37:46,229 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 230 DAG size of output: 28 [2020-10-24 00:37:46,592 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:37:47,407 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 18 [2020-10-24 00:37:48,222 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 22 [2020-10-24 00:37:51,065 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 340 DAG size of output: 38 [2020-10-24 00:37:53,099 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 216 DAG size of output: 35 [2020-10-24 00:37:54,423 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-10-24 00:37:55,394 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 39 [2020-10-24 00:37:57,927 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 257 DAG size of output: 34 [2020-10-24 00:37:58,344 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-24 00:38:01,529 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 362 DAG size of output: 37 [2020-10-24 00:38:01,868 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-10-24 00:38:03,346 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-10-24 00:38:05,292 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 252 DAG size of output: 34 [2020-10-24 00:38:05,940 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 23 [2020-10-24 00:38:13,680 WARN L193 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-10-24 00:38:17,711 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:38:18,072 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2020-10-24 00:38:22,133 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-10-24 00:38:23,089 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-10-24 00:38:30,989 WARN L193 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 589 DAG size of output: 38