/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:28:16,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:28:16,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:28:16,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:28:16,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:28:16,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:28:16,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:28:16,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:28:16,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:28:16,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:28:16,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:28:16,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:28:16,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:28:16,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:28:16,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:28:16,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:28:16,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:28:16,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:28:16,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:28:16,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:28:16,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:28:16,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:28:16,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:28:16,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:28:16,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:28:16,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:28:16,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:28:16,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:28:16,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:28:16,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:28:16,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:28:16,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:28:16,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:28:16,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:28:16,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:28:16,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:28:16,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:28:16,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:28:16,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:28:16,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:28:16,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:28:16,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:28:16,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:28:16,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:28:16,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:28:16,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:28:16,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:28:16,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:28:16,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:28:16,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:28:16,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:28:16,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:28:16,584 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:28:16,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:28:16,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:28:16,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:28:16,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:28:16,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:28:16,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:28:16,585 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:28:16,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:28:17,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:28:17,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:28:17,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:28:17,008 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:28:17,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-11-07 04:28:17,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ebeffbc/a434abde6e2c4997b87b85c272c05ae2/FLAGee5ccdb77 [2020-11-07 04:28:17,760 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:28:17,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-11-07 04:28:17,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ebeffbc/a434abde6e2c4997b87b85c272c05ae2/FLAGee5ccdb77 [2020-11-07 04:28:18,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ebeffbc/a434abde6e2c4997b87b85c272c05ae2 [2020-11-07 04:28:18,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:28:18,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:28:18,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:28:18,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:28:18,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:28:18,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee8b050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18, skipping insertion in model container [2020-11-07 04:28:18,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:28:18,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:28:18,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:28:18,429 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:28:18,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:28:18,575 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:28:18,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18 WrapperNode [2020-11-07 04:28:18,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:28:18,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:28:18,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:28:18,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:28:18,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... [2020-11-07 04:28:18,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:28:18,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:28:18,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:28:18,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:28:18,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:28:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:28:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:28:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:28:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:28:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:28:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:28:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:28:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:28:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:28:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:28:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:28:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:28:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:28:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:28:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:28:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:28:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:28:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:28:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:28:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:28:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:28:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:28:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:28:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:28:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:28:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:28:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:28:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:28:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:28:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:28:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:28:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:28:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:28:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:28:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:28:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:28:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:28:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:28:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:28:20,169 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:28:20,169 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:28:20,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:20 BoogieIcfgContainer [2020-11-07 04:28:20,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:28:20,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:28:20,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:28:20,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:28:20,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:18" (1/3) ... [2020-11-07 04:28:20,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a28e583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:20, skipping insertion in model container [2020-11-07 04:28:20,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:18" (2/3) ... [2020-11-07 04:28:20,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a28e583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:20, skipping insertion in model container [2020-11-07 04:28:20,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:20" (3/3) ... [2020-11-07 04:28:20,181 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-11-07 04:28:20,197 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:28:20,201 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:28:20,214 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:28:20,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:28:20,238 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:28:20,238 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:28:20,238 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:28:20,238 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:28:20,238 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:28:20,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:28:20,239 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:28:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-11-07 04:28:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:28:20,283 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:20,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:20,284 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:20,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:20,291 INFO L82 PathProgramCache]: Analyzing trace with hash 186130233, now seen corresponding path program 1 times [2020-11-07 04:28:20,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:20,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874513635] [2020-11-07 04:28:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,105 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:21,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:28:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:28:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:28:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:21,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874513635] [2020-11-07 04:28:21,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:21,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:28:21,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782585134] [2020-11-07 04:28:21,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:28:21,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:21,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:28:21,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:28:21,348 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-11-07 04:28:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:22,882 INFO L93 Difference]: Finished difference Result 527 states and 616 transitions. [2020-11-07 04:28:22,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:28:22,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:28:22,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:22,929 INFO L225 Difference]: With dead ends: 527 [2020-11-07 04:28:22,929 INFO L226 Difference]: Without dead ends: 330 [2020-11-07 04:28:22,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:28:22,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-11-07 04:28:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 284. [2020-11-07 04:28:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-11-07 04:28:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 308 transitions. [2020-11-07 04:28:23,143 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 308 transitions. Word has length 166 [2020-11-07 04:28:23,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:23,145 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 308 transitions. [2020-11-07 04:28:23,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:28:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 308 transitions. [2020-11-07 04:28:23,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:28:23,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:23,150 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:23,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:28:23,151 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:23,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:23,151 INFO L82 PathProgramCache]: Analyzing trace with hash -773999638, now seen corresponding path program 1 times [2020-11-07 04:28:23,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:23,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [565186825] [2020-11-07 04:28:23,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,677 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:23,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [565186825] [2020-11-07 04:28:23,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:23,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:28:23,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299002300] [2020-11-07 04:28:23,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:28:23,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:28:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:28:23,872 INFO L87 Difference]: Start difference. First operand 284 states and 308 transitions. Second operand 5 states. [2020-11-07 04:28:24,760 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:26,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:26,088 INFO L93 Difference]: Finished difference Result 449 states and 504 transitions. [2020-11-07 04:28:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:28:26,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:28:26,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:26,094 INFO L225 Difference]: With dead ends: 449 [2020-11-07 04:28:26,094 INFO L226 Difference]: Without dead ends: 319 [2020-11-07 04:28:26,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:28:26,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-07 04:28:26,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 274. [2020-11-07 04:28:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-07 04:28:26,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 295 transitions. [2020-11-07 04:28:26,207 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 295 transitions. Word has length 167 [2020-11-07 04:28:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:26,207 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 295 transitions. [2020-11-07 04:28:26,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:28:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 295 transitions. [2020-11-07 04:28:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:28:26,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:26,211 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:26,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:28:26,211 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:26,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:26,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1323865920, now seen corresponding path program 1 times [2020-11-07 04:28:26,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:26,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616740259] [2020-11-07 04:28:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,886 WARN L194 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:26,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:28:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:28:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:27,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616740259] [2020-11-07 04:28:27,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:27,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:28:27,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744159872] [2020-11-07 04:28:27,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:28:27,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:27,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:28:27,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:28:27,134 INFO L87 Difference]: Start difference. First operand 274 states and 295 transitions. Second operand 11 states. [2020-11-07 04:28:27,853 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:28,321 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:28,766 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:29,163 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:29,566 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:29,940 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:32,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:32,096 INFO L93 Difference]: Finished difference Result 496 states and 569 transitions. [2020-11-07 04:28:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:28:32,098 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:28:32,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:32,104 INFO L225 Difference]: With dead ends: 496 [2020-11-07 04:28:32,105 INFO L226 Difference]: Without dead ends: 342 [2020-11-07 04:28:32,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:28:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-07 04:28:32,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 274. [2020-11-07 04:28:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-07 04:28:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 294 transitions. [2020-11-07 04:28:32,237 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 294 transitions. Word has length 180 [2020-11-07 04:28:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:32,240 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 294 transitions. [2020-11-07 04:28:32,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:28:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 294 transitions. [2020-11-07 04:28:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-07 04:28:32,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:32,244 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] [2020-11-07 04:28:32,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:28:32,244 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:32,245 INFO L82 PathProgramCache]: Analyzing trace with hash -399947828, now seen corresponding path program 1 times [2020-11-07 04:28:32,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:32,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773228958] [2020-11-07 04:28:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,900 WARN L194 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:28:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-07 04:28:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:33,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773228958] [2020-11-07 04:28:33,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:33,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:28:33,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337174865] [2020-11-07 04:28:33,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:28:33,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:33,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:28:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:28:33,155 INFO L87 Difference]: Start difference. First operand 274 states and 294 transitions. Second operand 8 states. [2020-11-07 04:28:33,808 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:36,173 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:36,915 INFO L93 Difference]: Finished difference Result 687 states and 816 transitions. [2020-11-07 04:28:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 04:28:36,916 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-11-07 04:28:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:36,921 INFO L225 Difference]: With dead ends: 687 [2020-11-07 04:28:36,921 INFO L226 Difference]: Without dead ends: 533 [2020-11-07 04:28:36,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:28:36,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-11-07 04:28:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 393. [2020-11-07 04:28:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-11-07 04:28:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 425 transitions. [2020-11-07 04:28:37,139 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 425 transitions. Word has length 193 [2020-11-07 04:28:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:37,140 INFO L481 AbstractCegarLoop]: Abstraction has 393 states and 425 transitions. [2020-11-07 04:28:37,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:28:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 425 transitions. [2020-11-07 04:28:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:28:37,143 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:37,144 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] [2020-11-07 04:28:37,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:28:37,144 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:37,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2017650149, now seen corresponding path program 1 times [2020-11-07 04:28:37,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:37,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995596567] [2020-11-07 04:28:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,564 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:37,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:28:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:28:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:28:37,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995596567] [2020-11-07 04:28:37,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:37,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:28:37,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926922992] [2020-11-07 04:28:37,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:28:37,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:37,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:28:37,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:28:37,814 INFO L87 Difference]: Start difference. First operand 393 states and 425 transitions. Second operand 11 states. [2020-11-07 04:28:38,491 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:39,676 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:40,050 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:41,210 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:41,663 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:42,144 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:42,911 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:43,307 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:43,679 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:44,515 INFO L93 Difference]: Finished difference Result 803 states and 941 transitions. [2020-11-07 04:28:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-07 04:28:44,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:28:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:44,520 INFO L225 Difference]: With dead ends: 803 [2020-11-07 04:28:44,520 INFO L226 Difference]: Without dead ends: 530 [2020-11-07 04:28:44,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-11-07 04:28:44,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-11-07 04:28:44,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 392. [2020-11-07 04:28:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-11-07 04:28:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 422 transitions. [2020-11-07 04:28:44,705 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 422 transitions. Word has length 217 [2020-11-07 04:28:44,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:44,706 INFO L481 AbstractCegarLoop]: Abstraction has 392 states and 422 transitions. [2020-11-07 04:28:44,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:28:44,706 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 422 transitions. [2020-11-07 04:28:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 04:28:44,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:44,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:44,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:28:44,710 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:44,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:44,710 INFO L82 PathProgramCache]: Analyzing trace with hash -896123223, now seen corresponding path program 1 times [2020-11-07 04:28:44,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:44,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116198904] [2020-11-07 04:28:44,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,108 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:45,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-11-07 04:28:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:28:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:45,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116198904] [2020-11-07 04:28:45,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:45,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:28:45,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841199940] [2020-11-07 04:28:45,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:28:45,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:28:45,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:28:45,348 INFO L87 Difference]: Start difference. First operand 392 states and 422 transitions. Second operand 11 states. [2020-11-07 04:28:47,059 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:47,453 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:47,861 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:28:48,248 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:48,665 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:49,022 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:50,474 INFO L93 Difference]: Finished difference Result 804 states and 937 transitions. [2020-11-07 04:28:50,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:28:50,475 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-11-07 04:28:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:50,481 INFO L225 Difference]: With dead ends: 804 [2020-11-07 04:28:50,481 INFO L226 Difference]: Without dead ends: 532 [2020-11-07 04:28:50,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:28:50,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-11-07 04:28:50,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 400. [2020-11-07 04:28:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-11-07 04:28:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 430 transitions. [2020-11-07 04:28:50,683 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 430 transitions. Word has length 218 [2020-11-07 04:28:50,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:50,683 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 430 transitions. [2020-11-07 04:28:50,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:28:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 430 transitions. [2020-11-07 04:28:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 04:28:50,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:50,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:50,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:28:50,689 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:50,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:50,690 INFO L82 PathProgramCache]: Analyzing trace with hash -482491831, now seen corresponding path program 1 times [2020-11-07 04:28:50,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:50,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839077516] [2020-11-07 04:28:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,142 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:51,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-11-07 04:28:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:28:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:51,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839077516] [2020-11-07 04:28:51,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:51,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:28:51,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542894909] [2020-11-07 04:28:51,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:28:51,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:51,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:28:51,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:28:51,409 INFO L87 Difference]: Start difference. First operand 400 states and 430 transitions. Second operand 14 states. [2020-11-07 04:28:52,203 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:52,606 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:52,992 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:53,381 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:53,765 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:55,054 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:55,440 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:55,833 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:56,241 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:56,622 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:58,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:58,380 INFO L93 Difference]: Finished difference Result 823 states and 968 transitions. [2020-11-07 04:28:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:28:58,380 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-11-07 04:28:58,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:58,386 INFO L225 Difference]: With dead ends: 823 [2020-11-07 04:28:58,386 INFO L226 Difference]: Without dead ends: 543 [2020-11-07 04:28:58,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:28:58,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-11-07 04:28:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 406. [2020-11-07 04:28:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-11-07 04:28:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 436 transitions. [2020-11-07 04:28:58,582 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 436 transitions. Word has length 218 [2020-11-07 04:28:58,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:58,582 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 436 transitions. [2020-11-07 04:28:58,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:28:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 436 transitions. [2020-11-07 04:28:58,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 04:28:58,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:58,588 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:58,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:28:58,589 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:58,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:58,589 INFO L82 PathProgramCache]: Analyzing trace with hash -552009940, now seen corresponding path program 1 times [2020-11-07 04:28:58,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:58,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450422172] [2020-11-07 04:28:58,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,024 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-11-07 04:28:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:28:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:59,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450422172] [2020-11-07 04:28:59,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:59,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:28:59,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987149145] [2020-11-07 04:28:59,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:28:59,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:59,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:28:59,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:28:59,250 INFO L87 Difference]: Start difference. First operand 406 states and 436 transitions. Second operand 8 states. [2020-11-07 04:28:59,870 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:00,703 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:03,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:03,901 INFO L93 Difference]: Finished difference Result 1155 states and 1392 transitions. [2020-11-07 04:29:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:29:03,901 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-11-07 04:29:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:03,907 INFO L225 Difference]: With dead ends: 1155 [2020-11-07 04:29:03,908 INFO L226 Difference]: Without dead ends: 869 [2020-11-07 04:29:03,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:29:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-11-07 04:29:04,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 661. [2020-11-07 04:29:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-11-07 04:29:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 728 transitions. [2020-11-07 04:29:04,160 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 728 transitions. Word has length 218 [2020-11-07 04:29:04,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:04,161 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 728 transitions. [2020-11-07 04:29:04,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:29:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 728 transitions. [2020-11-07 04:29:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:29:04,165 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:04,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:04,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:29:04,165 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:04,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:04,166 INFO L82 PathProgramCache]: Analyzing trace with hash -188110234, now seen corresponding path program 1 times [2020-11-07 04:29:04,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:04,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760342423] [2020-11-07 04:29:04,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,700 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:04,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:29:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:29:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:29:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:04,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:29:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:29:05,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760342423] [2020-11-07 04:29:05,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:29:05,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:29:05,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492612040] [2020-11-07 04:29:05,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:29:05,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:05,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:29:05,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:29:05,038 INFO L87 Difference]: Start difference. First operand 661 states and 728 transitions. Second operand 15 states. [2020-11-07 04:29:06,133 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:29:07,233 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:09,523 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:29:10,320 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:29:10,772 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:11,162 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:11,934 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:29:12,323 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:12,750 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:13,136 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:15,760 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:16,135 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:16,555 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:17,437 WARN L194 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:29:19,552 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:29:20,286 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:29:21,115 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:29:21,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:21,924 INFO L93 Difference]: Finished difference Result 2047 states and 2460 transitions. [2020-11-07 04:29:21,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 04:29:21,925 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-11-07 04:29:21,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:21,935 INFO L225 Difference]: With dead ends: 2047 [2020-11-07 04:29:21,935 INFO L226 Difference]: Without dead ends: 1613 [2020-11-07 04:29:21,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=798, Invalid=3108, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:29:21,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2020-11-07 04:29:22,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1170. [2020-11-07 04:29:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-11-07 04:29:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1280 transitions. [2020-11-07 04:29:22,625 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1280 transitions. Word has length 223 [2020-11-07 04:29:22,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:22,626 INFO L481 AbstractCegarLoop]: Abstraction has 1170 states and 1280 transitions. [2020-11-07 04:29:22,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:29:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1280 transitions. [2020-11-07 04:29:22,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-11-07 04:29:22,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:22,632 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:22,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:29:22,633 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:22,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:22,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1014750124, now seen corresponding path program 1 times [2020-11-07 04:29:22,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:22,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621448205] [2020-11-07 04:29:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,084 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:29:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:29:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:29:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:29:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:29:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-11-07 04:29:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:29:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-11-07 04:29:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-11-07 04:29:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:29:23,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621448205] [2020-11-07 04:29:23,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:23,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:29:23,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164396934] [2020-11-07 04:29:23,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:29:23,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:23,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:29:23,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:29:23,661 INFO L87 Difference]: Start difference. First operand 1170 states and 1280 transitions. Second operand 19 states. [2020-11-07 04:29:24,782 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:25,206 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:25,633 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:26,064 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:26,495 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:27,925 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:29:28,397 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:29:28,842 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:29,498 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:30,054 WARN L194 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:29:31,285 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:32,064 WARN L194 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:29:32,590 WARN L194 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:29:35,159 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:36,004 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:29:36,465 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:29:37,313 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:29:37,912 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:39,061 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:39,888 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:29:40,377 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:29:41,351 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:29:42,236 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:29:44,360 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:29:44,802 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:46,826 INFO L93 Difference]: Finished difference Result 2832 states and 3288 transitions. [2020-11-07 04:29:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-07 04:29:46,827 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 314 [2020-11-07 04:29:46,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:46,840 INFO L225 Difference]: With dead ends: 2832 [2020-11-07 04:29:46,840 INFO L226 Difference]: Without dead ends: 1884 [2020-11-07 04:29:46,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1974 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1205, Invalid=5601, Unknown=0, NotChecked=0, Total=6806 [2020-11-07 04:29:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2020-11-07 04:29:47,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1401. [2020-11-07 04:29:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1401 states. [2020-11-07 04:29:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1539 transitions. [2020-11-07 04:29:47,600 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1539 transitions. Word has length 314 [2020-11-07 04:29:47,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:47,601 INFO L481 AbstractCegarLoop]: Abstraction has 1401 states and 1539 transitions. [2020-11-07 04:29:47,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:29:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1539 transitions. [2020-11-07 04:29:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-11-07 04:29:47,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:47,612 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:47,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:29:47,612 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:47,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:47,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1998667412, now seen corresponding path program 1 times [2020-11-07 04:29:47,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:47,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438176934] [2020-11-07 04:29:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,043 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:29:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:29:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:29:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:29:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:29:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:29:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:29:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:29:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:29:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:29:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-11-07 04:29:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-11-07 04:29:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:29:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:29:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:29:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-11-07 04:29:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-11-07 04:29:48,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438176934] [2020-11-07 04:29:48,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:48,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:29:48,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215461360] [2020-11-07 04:29:48,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:29:48,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:29:48,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:29:48,619 INFO L87 Difference]: Start difference. First operand 1401 states and 1539 transitions. Second operand 13 states. [2020-11-07 04:29:51,684 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:52,066 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:52,496 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:52,934 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:53,371 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:53,748 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:55,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:55,027 INFO L93 Difference]: Finished difference Result 2919 states and 3355 transitions. [2020-11-07 04:29:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 04:29:55,028 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 493 [2020-11-07 04:29:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:55,040 INFO L225 Difference]: With dead ends: 2919 [2020-11-07 04:29:55,040 INFO L226 Difference]: Without dead ends: 1776 [2020-11-07 04:29:55,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:29:55,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-11-07 04:29:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1425. [2020-11-07 04:29:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-11-07 04:29:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1563 transitions. [2020-11-07 04:29:55,934 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1563 transitions. Word has length 493 [2020-11-07 04:29:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:55,935 INFO L481 AbstractCegarLoop]: Abstraction has 1425 states and 1563 transitions. [2020-11-07 04:29:55,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:29:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1563 transitions. [2020-11-07 04:29:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2020-11-07 04:29:55,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:55,942 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:55,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:29:55,943 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:55,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:55,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1968569612, now seen corresponding path program 1 times [2020-11-07 04:29:55,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:55,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554106527] [2020-11-07 04:29:55,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,414 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:29:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:29:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:29:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:29:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:29:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:29:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:29:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:29:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:29:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:29:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2020-11-07 04:29:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-11-07 04:29:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:29:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:29:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:29:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2020-11-07 04:29:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-11-07 04:29:57,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1554106527] [2020-11-07 04:29:57,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:57,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:29:57,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975815417] [2020-11-07 04:29:57,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:29:57,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:57,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:29:57,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:29:57,078 INFO L87 Difference]: Start difference. First operand 1425 states and 1563 transitions. Second operand 17 states. [2020-11-07 04:29:59,512 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:59,922 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:00,351 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:00,787 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:01,201 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:01,582 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:04,596 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:05,048 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:07,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:07,377 INFO L93 Difference]: Finished difference Result 4142 states and 4906 transitions. [2020-11-07 04:30:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-11-07 04:30:07,383 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 493 [2020-11-07 04:30:07,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:07,399 INFO L225 Difference]: With dead ends: 4142 [2020-11-07 04:30:07,399 INFO L226 Difference]: Without dead ends: 2642 [2020-11-07 04:30:07,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 114 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=505, Invalid=1751, Unknown=0, NotChecked=0, Total=2256 [2020-11-07 04:30:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2020-11-07 04:30:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 1823. [2020-11-07 04:30:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-11-07 04:30:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2033 transitions. [2020-11-07 04:30:08,345 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2033 transitions. Word has length 493 [2020-11-07 04:30:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:08,346 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 2033 transitions. [2020-11-07 04:30:08,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:30:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2033 transitions. [2020-11-07 04:30:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-11-07 04:30:08,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:08,354 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:08,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:30:08,355 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:30:08,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:08,355 INFO L82 PathProgramCache]: Analyzing trace with hash 323595735, now seen corresponding path program 1 times [2020-11-07 04:30:08,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:08,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741581218] [2020-11-07 04:30:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,814 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:30:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:30:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:30:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:30:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:30:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-11-07 04:30:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:30:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:30:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-11-07 04:30:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-11-07 04:30:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-11-07 04:30:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-11-07 04:30:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-11-07 04:30:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-11-07 04:30:09,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741581218] [2020-11-07 04:30:09,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:09,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:30:09,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667622849] [2020-11-07 04:30:09,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:30:09,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:09,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:30:09,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:30:09,463 INFO L87 Difference]: Start difference. First operand 1823 states and 2033 transitions. Second operand 19 states. [2020-11-07 04:30:10,225 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:10,749 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:11,163 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:11,578 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:11,995 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:12,422 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:13,852 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:14,277 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:15,599 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:16,253 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:16,759 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:17,253 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:18,758 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:19,153 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:20,455 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:20,858 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:21,303 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:23,384 INFO L93 Difference]: Finished difference Result 3831 states and 4485 transitions. [2020-11-07 04:30:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-11-07 04:30:23,384 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 499 [2020-11-07 04:30:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:23,398 INFO L225 Difference]: With dead ends: 3831 [2020-11-07 04:30:23,398 INFO L226 Difference]: Without dead ends: 2266 [2020-11-07 04:30:23,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=645, Invalid=2661, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 04:30:23,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2020-11-07 04:30:24,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 1751. [2020-11-07 04:30:24,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1751 states. [2020-11-07 04:30:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 1934 transitions. [2020-11-07 04:30:24,363 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 1934 transitions. Word has length 499 [2020-11-07 04:30:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:24,364 INFO L481 AbstractCegarLoop]: Abstraction has 1751 states and 1934 transitions. [2020-11-07 04:30:24,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:30:24,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 1934 transitions. [2020-11-07 04:30:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2020-11-07 04:30:24,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:24,372 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:24,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:30:24,372 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:30:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash -472467744, now seen corresponding path program 1 times [2020-11-07 04:30:24,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:24,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973278823] [2020-11-07 04:30:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,828 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:24,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:30:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:24,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:30:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:30:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:30:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:30:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:30:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:30:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:30:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-11-07 04:30:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-11-07 04:30:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:30:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-11-07 04:30:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-11-07 04:30:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-11-07 04:30:25,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973278823] [2020-11-07 04:30:25,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:25,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:30:25,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330617913] [2020-11-07 04:30:25,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:30:25,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:30:25,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:30:25,696 INFO L87 Difference]: Start difference. First operand 1751 states and 1934 transitions. Second operand 18 states. [2020-11-07 04:30:26,442 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:29,042 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:29,461 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:30,217 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:30:30,620 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:30:31,404 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:30:31,835 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:32,621 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:30:33,063 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:33,499 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:33,916 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:34,322 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:36,734 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:37,165 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:39,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:39,953 INFO L93 Difference]: Finished difference Result 3962 states and 4672 transitions. [2020-11-07 04:30:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 04:30:39,954 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 500 [2020-11-07 04:30:39,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:39,967 INFO L225 Difference]: With dead ends: 3962 [2020-11-07 04:30:39,967 INFO L226 Difference]: Without dead ends: 2940 [2020-11-07 04:30:39,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 125 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1098 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=761, Invalid=3271, Unknown=0, NotChecked=0, Total=4032 [2020-11-07 04:30:39,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2020-11-07 04:30:40,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2154. [2020-11-07 04:30:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-11-07 04:30:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2369 transitions. [2020-11-07 04:30:40,997 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2369 transitions. Word has length 500 [2020-11-07 04:30:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:40,997 INFO L481 AbstractCegarLoop]: Abstraction has 2154 states and 2369 transitions. [2020-11-07 04:30:40,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:30:40,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2369 transitions. [2020-11-07 04:30:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2020-11-07 04:30:41,005 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:41,005 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:41,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:30:41,005 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:30:41,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:41,006 INFO L82 PathProgramCache]: Analyzing trace with hash 978143417, now seen corresponding path program 1 times [2020-11-07 04:30:41,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:41,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273848921] [2020-11-07 04:30:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,446 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:30:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:30:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:30:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:30:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:30:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:30:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:30:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:30:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:30:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-11-07 04:30:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:30:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:30:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-11-07 04:30:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-11-07 04:30:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-11-07 04:30:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-11-07 04:30:42,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273848921] [2020-11-07 04:30:42,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:42,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:30:42,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663815702] [2020-11-07 04:30:42,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:30:42,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:42,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:30:42,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:30:42,206 INFO L87 Difference]: Start difference. First operand 2154 states and 2369 transitions. Second operand 18 states. [2020-11-07 04:30:42,967 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:44,943 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:46,087 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:46,517 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:47,301 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:30:47,737 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:48,515 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:30:48,927 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:49,669 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:30:50,448 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:30:51,295 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:30:52,054 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:30:52,430 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:55,040 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:55,492 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:56,523 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:57,891 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:58,384 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:59,197 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:30:59,610 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:31:00,397 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:31:00,801 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:31:01,535 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:31:01,995 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:31:02,451 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:31:02,894 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:31:07,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:07,686 INFO L93 Difference]: Finished difference Result 5342 states and 6346 transitions. [2020-11-07 04:31:07,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-11-07 04:31:07,692 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 515 [2020-11-07 04:31:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:07,713 INFO L225 Difference]: With dead ends: 5342 [2020-11-07 04:31:07,713 INFO L226 Difference]: Without dead ends: 4088 [2020-11-07 04:31:07,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 144 SyntacticMatches, 7 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3211 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=1612, Invalid=7700, Unknown=0, NotChecked=0, Total=9312 [2020-11-07 04:31:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2020-11-07 04:31:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 2713. [2020-11-07 04:31:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2713 states. [2020-11-07 04:31:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 2977 transitions. [2020-11-07 04:31:09,018 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 2977 transitions. Word has length 515 [2020-11-07 04:31:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:09,019 INFO L481 AbstractCegarLoop]: Abstraction has 2713 states and 2977 transitions. [2020-11-07 04:31:09,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:31:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 2977 transitions. [2020-11-07 04:31:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2020-11-07 04:31:09,029 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:09,029 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:31:09,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:31:09,030 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:31:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:09,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1129465990, now seen corresponding path program 2 times [2020-11-07 04:31:09,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:09,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097464854] [2020-11-07 04:31:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,487 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:31:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:31:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:31:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:31:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:31:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:31:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:31:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 04:31:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:31:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:31:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:31:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:31:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:31:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:31:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-11-07 04:31:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:31:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-11-07 04:31:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-11-07 04:31:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-11-07 04:31:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-11-07 04:31:10,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097464854] [2020-11-07 04:31:10,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:10,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:31:10,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515284581] [2020-11-07 04:31:10,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:31:10,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:10,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:31:10,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:31:10,366 INFO L87 Difference]: Start difference. First operand 2713 states and 2977 transitions. Second operand 19 states. [2020-11-07 04:31:11,131 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:12,318 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:13,606 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:14,705 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:15,160 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:15,976 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:31:16,446 WARN L194 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:17,251 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:31:17,689 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:18,492 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:31:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:22,888 INFO L93 Difference]: Finished difference Result 5212 states and 6020 transitions. [2020-11-07 04:31:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-11-07 04:31:22,889 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 607 [2020-11-07 04:31:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:22,906 INFO L225 Difference]: With dead ends: 5212 [2020-11-07 04:31:22,906 INFO L226 Difference]: Without dead ends: 3427 [2020-11-07 04:31:22,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 153 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=730, Invalid=2692, Unknown=0, NotChecked=0, Total=3422 [2020-11-07 04:31:22,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2020-11-07 04:31:24,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 2543. [2020-11-07 04:31:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2543 states. [2020-11-07 04:31:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 2760 transitions. [2020-11-07 04:31:24,069 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 2760 transitions. Word has length 607 [2020-11-07 04:31:24,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:24,070 INFO L481 AbstractCegarLoop]: Abstraction has 2543 states and 2760 transitions. [2020-11-07 04:31:24,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:31:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2760 transitions. [2020-11-07 04:31:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-11-07 04:31:24,079 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:24,079 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:31:24,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:31:24,080 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:31:24,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:24,080 INFO L82 PathProgramCache]: Analyzing trace with hash 731788688, now seen corresponding path program 1 times [2020-11-07 04:31:24,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:24,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934186300] [2020-11-07 04:31:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,514 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:31:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:31:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:31:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:31:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:31:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:31:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:31:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:24,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:31:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:31:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-11-07 04:31:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:31:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:31:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:31:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-11-07 04:31:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-11-07 04:31:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-11-07 04:31:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2020-11-07 04:31:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-11-07 04:31:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2020-11-07 04:31:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-11-07 04:31:25,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934186300] [2020-11-07 04:31:25,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:25,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:31:25,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716679520] [2020-11-07 04:31:25,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:31:25,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:25,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:31:25,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:31:25,605 INFO L87 Difference]: Start difference. First operand 2543 states and 2760 transitions. Second operand 24 states. [2020-11-07 04:31:26,463 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:29,580 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:31:31,067 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:31,555 WARN L194 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:31:32,488 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:31:33,345 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:31:34,234 WARN L194 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:31:35,120 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:31:35,902 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:31:36,754 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:31:37,613 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:31:38,393 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:31:39,127 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-11-07 04:31:41,369 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:31:42,330 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-11-07 04:31:43,165 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-11-07 04:31:45,093 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-11-07 04:31:45,951 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-11-07 04:31:46,767 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:31:47,666 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:31:48,558 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:31:49,507 WARN L194 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:31:50,364 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:31:51,985 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:31:52,387 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:52,992 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:31:53,455 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:31:53,958 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:54,397 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:31:54,835 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:31:55,276 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:31:55,697 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:56,143 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:31:56,590 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:31:57,009 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:31:57,417 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:31:58,840 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:59,604 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:32:00,033 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:00,844 WARN L194 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:32:01,652 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:02,514 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:32:02,922 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:32:03,716 WARN L194 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:32:04,137 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:32:05,006 WARN L194 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-11-07 04:32:05,766 WARN L194 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:06,591 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:32:07,094 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:32:07,591 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:32:08,047 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:32:12,384 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:32:13,198 WARN L194 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:32:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:16,759 INFO L93 Difference]: Finished difference Result 6308 states and 7219 transitions. [2020-11-07 04:32:16,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2020-11-07 04:32:16,759 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 617 [2020-11-07 04:32:16,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:16,780 INFO L225 Difference]: With dead ends: 6308 [2020-11-07 04:32:16,780 INFO L226 Difference]: Without dead ends: 4071 [2020-11-07 04:32:16,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 166 SyntacticMatches, 5 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6182 ImplicationChecksByTransitivity, 37.0s TimeCoverageRelationStatistics Valid=2815, Invalid=14477, Unknown=0, NotChecked=0, Total=17292 [2020-11-07 04:32:16,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2020-11-07 04:32:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 2730. [2020-11-07 04:32:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2730 states. [2020-11-07 04:32:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 2949 transitions. [2020-11-07 04:32:18,263 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 2949 transitions. Word has length 617 [2020-11-07 04:32:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:18,264 INFO L481 AbstractCegarLoop]: Abstraction has 2730 states and 2949 transitions. [2020-11-07 04:32:18,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:32:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 2949 transitions. [2020-11-07 04:32:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2020-11-07 04:32:18,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:32:18,274 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:32:18,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:32:18,274 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:32:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:32:18,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1784004831, now seen corresponding path program 2 times [2020-11-07 04:32:18,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:32:18,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978177625] [2020-11-07 04:32:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:32:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,773 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:32:18,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:32:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:32:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:32:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:32:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:32:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:32:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:32:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:32:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:32:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:32:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:32:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:32:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:32:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 04:32:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:32:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:32:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:32:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-11-07 04:32:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-11-07 04:32:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-11-07 04:32:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2020-11-07 04:32:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-11-07 04:32:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2020-11-07 04:32:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2020-11-07 04:32:19,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978177625] [2020-11-07 04:32:19,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:32:19,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:32:19,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931410789] [2020-11-07 04:32:19,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:32:19,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:32:19,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:32:19,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:32:19,677 INFO L87 Difference]: Start difference. First operand 2730 states and 2949 transitions. Second operand 19 states. [2020-11-07 04:32:20,495 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:21,823 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:23,137 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:24,293 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:32:24,751 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:25,586 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:26,061 WARN L194 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:32:26,880 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:32:27,324 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:28,129 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:32:31,074 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:31,981 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:32:32,412 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:32:33,199 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:32:34,005 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:32:34,806 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:32:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:39,050 INFO L93 Difference]: Finished difference Result 6020 states and 6899 transitions. [2020-11-07 04:32:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-11-07 04:32:39,051 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 622 [2020-11-07 04:32:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:39,067 INFO L225 Difference]: With dead ends: 6020 [2020-11-07 04:32:39,067 INFO L226 Difference]: Without dead ends: 4228 [2020-11-07 04:32:39,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 168 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2030 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1329, Invalid=4991, Unknown=0, NotChecked=0, Total=6320 [2020-11-07 04:32:39,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2020-11-07 04:32:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 2971. [2020-11-07 04:32:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2971 states. [2020-11-07 04:32:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3211 transitions. [2020-11-07 04:32:40,613 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3211 transitions. Word has length 622 [2020-11-07 04:32:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:40,614 INFO L481 AbstractCegarLoop]: Abstraction has 2971 states and 3211 transitions. [2020-11-07 04:32:40,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:32:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3211 transitions. [2020-11-07 04:32:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-11-07 04:32:40,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:32:40,624 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:32:40,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:32:40,625 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:32:40,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:32:40,625 INFO L82 PathProgramCache]: Analyzing trace with hash -945138981, now seen corresponding path program 1 times [2020-11-07 04:32:40,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:32:40,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869878685] [2020-11-07 04:32:40,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:32:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,113 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:32:41,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:32:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:32:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:32:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:32:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:32:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:32:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:32:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:32:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:32:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:32:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:32:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:32:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:32:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-11-07 04:32:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:32:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:32:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 04:32:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:32:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2020-11-07 04:32:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-11-07 04:32:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-11-07 04:32:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:32:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2020-11-07 04:32:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2020-11-07 04:32:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2020-11-07 04:32:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2020-11-07 04:32:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2020-11-07 04:32:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2020-11-07 04:32:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:41,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 296 proven. 24 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2020-11-07 04:32:41,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869878685] [2020-11-07 04:32:41,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:32:41,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 04:32:41,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614498950] [2020-11-07 04:32:41,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 04:32:41,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:32:41,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 04:32:41,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-07 04:32:41,806 INFO L87 Difference]: Start difference. First operand 2971 states and 3211 transitions. Second operand 12 states. [2020-11-07 04:32:42,630 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:45,482 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:47,779 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:32:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:50,037 INFO L93 Difference]: Finished difference Result 5707 states and 6439 transitions. [2020-11-07 04:32:50,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-11-07 04:32:50,038 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 723 [2020-11-07 04:32:50,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:50,053 INFO L225 Difference]: With dead ends: 5707 [2020-11-07 04:32:50,053 INFO L226 Difference]: Without dead ends: 3712 [2020-11-07 04:32:50,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 171 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=367, Invalid=1355, Unknown=0, NotChecked=0, Total=1722 [2020-11-07 04:32:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2020-11-07 04:32:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 2933. [2020-11-07 04:32:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2933 states. [2020-11-07 04:32:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 3155 transitions. [2020-11-07 04:32:51,496 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 3155 transitions. Word has length 723 [2020-11-07 04:32:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:51,497 INFO L481 AbstractCegarLoop]: Abstraction has 2933 states and 3155 transitions. [2020-11-07 04:32:51,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 04:32:51,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 3155 transitions. [2020-11-07 04:32:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2020-11-07 04:32:51,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:32:51,505 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:32:51,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:32:51,505 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:32:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:32:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash -620678858, now seen corresponding path program 2 times [2020-11-07 04:32:51,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:32:51,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090100817] [2020-11-07 04:32:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:32:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:51,982 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:32:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:32:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:32:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:32:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:32:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:32:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:32:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:32:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:32:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:32:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:32:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:32:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:32:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-11-07 04:32:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 04:32:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:32:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:32:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:32:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:32:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:32:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:32:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:32:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-11-07 04:32:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2020-11-07 04:32:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-11-07 04:32:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:32:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:32:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:32:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-11-07 04:32:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2020-11-07 04:32:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2020-11-07 04:32:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:32:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2020-11-07 04:32:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:32:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:32:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:32:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2020-11-07 04:32:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2020-11-07 04:32:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1291 backedges. 339 proven. 30 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2020-11-07 04:32:52,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090100817] [2020-11-07 04:32:52,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:32:52,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:32:52,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503910178] [2020-11-07 04:32:52,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:32:52,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:32:52,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:32:52,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:32:52,816 INFO L87 Difference]: Start difference. First operand 2933 states and 3155 transitions. Second operand 19 states. [2020-11-07 04:32:53,987 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:32:55,111 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:58,310 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:32:59,117 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:32:59,899 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 211 [2020-11-07 04:33:01,491 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:33:02,034 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:33:02,478 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:33:02,916 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:33:03,346 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:33:03,759 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:33:05,326 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:33:06,837 WARN L194 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-11-07 04:33:07,717 WARN L194 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 223 [2020-11-07 04:33:08,544 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:33:09,446 WARN L194 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-11-07 04:33:10,243 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:33:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:33:12,686 INFO L93 Difference]: Finished difference Result 4823 states and 5382 transitions. [2020-11-07 04:33:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-11-07 04:33:12,687 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 724 [2020-11-07 04:33:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:33:12,689 INFO L225 Difference]: With dead ends: 4823 [2020-11-07 04:33:12,689 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:33:12,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2073 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=1255, Invalid=5387, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:33:12,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:33:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:33:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:33:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:33:12,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 724 [2020-11-07 04:33:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:33:12,701 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:33:12,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:33:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:33:12,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:33:12,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-07 04:33:12,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:33:12,980 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-11-07 04:33:13,157 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-11-07 04:33:13,296 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-11-07 04:33:13,808 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:14,107 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 217 [2020-11-07 04:33:15,651 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:33:15,879 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:33:16,015 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 249 [2020-11-07 04:33:16,780 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-11-07 04:33:17,348 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:33:18,598 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:33:19,143 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:33:19,794 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-11-07 04:33:19,962 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-11-07 04:33:20,255 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-07 04:33:21,143 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:33:21,469 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 253 [2020-11-07 04:33:22,088 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:33:22,745 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-11-07 04:33:23,941 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-11-07 04:33:24,558 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-11-07 04:33:25,169 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-11-07 04:33:25,602 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 271 [2020-11-07 04:33:31,603 WARN L194 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-11-07 04:33:31,750 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-11-07 04:33:31,910 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-11-07 04:33:35,913 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:33:42,420 WARN L194 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-11-07 04:33:42,550 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:33:44,167 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 281 [2020-11-07 04:33:44,485 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-11-07 04:33:44,622 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:33:44,830 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-11-07 04:33:45,477 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 281 [2020-11-07 04:33:46,332 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 284 [2020-11-07 04:33:46,881 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:48,775 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:33:56,151 WARN L194 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 1022 DAG size of output: 816 [2020-11-07 04:34:03,247 WARN L194 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-11-07 04:34:04,817 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-11-07 04:34:05,212 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-11-07 04:34:05,316 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-11-07 04:34:06,480 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:07,475 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:09,284 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-11-07 04:34:09,394 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-11-07 04:34:09,872 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:10,024 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 250 [2020-11-07 04:34:10,669 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:11,215 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:12,386 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2020-11-07 04:34:12,634 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:34:12,842 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:13,008 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:34:13,216 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:14,071 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:14,331 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:34:14,457 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:34:14,693 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:14,908 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:16,479 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:16,694 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:17,121 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:34:17,336 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:34:18,120 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:18,414 WARN L194 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:18,852 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:34:19,007 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:34:19,449 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:19,668 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:34:25,931 WARN L194 SmtUtils]: Spent 5.73 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-11-07 04:34:26,080 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:27,721 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-11-07 04:34:28,224 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 265 [2020-11-07 04:34:28,752 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-11-07 04:34:29,300 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:34:29,787 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2020-11-07 04:34:32,099 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 271 [2020-11-07 04:34:32,601 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 265 [2020-11-07 04:34:33,133 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2020-11-07 04:34:33,678 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:34:35,951 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-07 04:34:36,728 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 252 [2020-11-07 04:34:37,550 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:44,095 WARN L194 SmtUtils]: Spent 6.52 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-11-07 04:34:50,646 WARN L194 SmtUtils]: Spent 6.53 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-11-07 04:34:51,996 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 277 [2020-11-07 04:34:52,636 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:53,248 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:53,708 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:57,026 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:34:57,296 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:34:57,880 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:34:58,495 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-11-07 04:35:02,224 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:35:05,862 WARN L194 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 715 DAG size of output: 555 [2020-11-07 04:35:05,971 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-11-07 04:35:06,424 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:35:07,334 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:07,782 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:35:08,113 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:35:09,125 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:09,342 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:09,799 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:35:09,960 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:35:10,301 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:10,589 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:10,798 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:11,848 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:35:12,056 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:35:13,478 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:35:20,381 WARN L194 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-11-07 04:35:20,525 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:35:20,939 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:35:22,125 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:35:28,074 WARN L194 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-11-07 04:35:28,197 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:35:28,671 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-11-07 04:35:29,470 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 233 [2020-11-07 04:35:29,859 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2020-11-07 04:35:30,496 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:35:34,016 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 267 [2020-11-07 04:35:34,424 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:35:37,891 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:35:38,195 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 258 [2020-11-07 04:35:38,347 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 257 [2020-11-07 04:35:39,880 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 277 [2020-11-07 04:35:43,906 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:35:50,410 WARN L194 SmtUtils]: Spent 6.50 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-11-07 04:35:51,088 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:35:55,014 WARN L194 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 819 DAG size of output: 615 [2020-11-07 04:35:55,246 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:55,459 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:55,915 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:35:56,080 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:35:56,412 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:56,715 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:56,924 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:35:57,966 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:35:58,175 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:36:05,109 WARN L194 SmtUtils]: Spent 6.32 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-11-07 04:36:05,249 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:36:05,892 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 275 [2020-11-07 04:36:07,008 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-11-07 04:36:07,613 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 258 [2020-11-07 04:36:14,216 WARN L194 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-11-07 04:36:14,597 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-11-07 04:36:15,542 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-11-07 04:36:16,470 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-11-07 04:36:16,573 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-11-07 04:36:17,066 WARN L194 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:36:17,455 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:17,801 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:36:25,448 WARN L194 SmtUtils]: Spent 6.36 s on a formula simplification. DAG size of input: 991 DAG size of output: 760 [2020-11-07 04:36:25,928 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 250 [2020-11-07 04:36:32,434 WARN L194 SmtUtils]: Spent 6.48 s on a formula simplification. DAG size of input: 998 DAG size of output: 759 [2020-11-07 04:36:38,090 WARN L194 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 965 DAG size of output: 738 [2020-11-07 04:36:38,668 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-11-07 04:36:39,495 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:39,708 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:40,185 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:36:40,344 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 233 [2020-11-07 04:36:40,672 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:40,960 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:41,174 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 265 [2020-11-07 04:36:42,224 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:36:42,427 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:36:43,166 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 284 [2020-11-07 04:36:43,752 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-11-07 04:36:44,562 WARN L194 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 271 [2020-11-07 04:36:44,972 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-11-07 04:36:45,100 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:36:45,684 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-11-07 04:36:46,807 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 281 [2020-11-07 04:36:47,246 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:36:47,430 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-11-07 04:36:50,028 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 258 DAG size of output: 30 [2020-11-07 04:36:51,437 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 33 [2020-11-07 04:36:52,064 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-11-07 04:36:52,837 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:53,739 WARN L194 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 23 [2020-11-07 04:36:54,684 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-11-07 04:36:54,972 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-11-07 04:36:55,704 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:55,862 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:36:57,974 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 393 DAG size of output: 1 [2020-11-07 04:36:58,787 WARN L194 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 18 [2020-11-07 04:36:59,525 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:37:00,696 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:37:01,290 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 21 [2020-11-07 04:37:01,619 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 16 [2020-11-07 04:37:03,994 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 230 DAG size of output: 34 [2020-11-07 04:37:09,674 WARN L194 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 443 DAG size of output: 44 [2020-11-07 04:37:10,515 WARN L194 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 24 [2020-11-07 04:37:10,703 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-11-07 04:37:21,466 WARN L194 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-11-07 04:37:23,649 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-11-07 04:37:29,360 WARN L194 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-11-07 04:37:41,414 WARN L194 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-11-07 04:37:41,669 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-11-07 04:37:42,979 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 225 DAG size of output: 34 [2020-11-07 04:37:43,712 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:37:44,983 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-11-07 04:37:46,298 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 266 DAG size of output: 33 [2020-11-07 04:37:47,628 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 297 DAG size of output: 29 [2020-11-07 04:37:48,940 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 266 DAG size of output: 33 [2020-11-07 04:37:49,546 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 23 [2020-11-07 04:37:50,290 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:37:51,039 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:37:52,443 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 271 DAG size of output: 35 [2020-11-07 04:37:52,933 WARN L194 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-11-07 04:37:53,428 WARN L194 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:37:54,785 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 213 DAG size of output: 59 [2020-11-07 04:37:55,476 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 17 [2020-11-07 04:37:56,405 WARN L194 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-11-07 04:37:56,904 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:37:58,118 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 55 [2020-11-07 04:37:58,276 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:37:59,505 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-11-07 04:38:11,488 WARN L194 SmtUtils]: Spent 11.96 s on a formula simplification. DAG size of input: 694 DAG size of output: 37 [2020-11-07 04:38:12,720 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 229 DAG size of output: 51 [2020-11-07 04:38:13,442 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:38:14,425 WARN L194 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 40 [2020-11-07 04:38:26,266 WARN L194 SmtUtils]: Spent 11.83 s on a formula simplification. DAG size of input: 612 DAG size of output: 35 [2020-11-07 04:38:28,382 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 250 DAG size of output: 41 [2020-11-07 04:38:29,180 WARN L194 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-11-07 04:38:31,013 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 243 DAG size of output: 32 [2020-11-07 04:38:31,319 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:38:32,230 WARN L194 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 32 [2020-11-07 04:38:33,066 WARN L194 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-11-07 04:38:33,821 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:38:34,011 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:38:34,658 WARN L194 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-11-07 04:38:35,387 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:38:35,617 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-11-07 04:38:37,311 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 261 DAG size of output: 41 [2020-11-07 04:38:37,533 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-11-07 04:38:38,030 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:38:40,290 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 267 DAG size of output: 28 [2020-11-07 04:38:41,199 WARN L194 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 32 [2020-11-07 04:38:42,005 WARN L194 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 40 [2020-11-07 04:38:43,229 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 255 DAG size of output: 30 [2020-11-07 04:38:46,414 WARN L194 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 369 DAG size of output: 39 [2020-11-07 04:38:49,479 WARN L194 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 384 DAG size of output: 53 [2020-11-07 04:39:00,400 WARN L194 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-11-07 04:39:01,169 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-11-07 04:39:01,435 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-11-07 04:39:03,144 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 246 DAG size of output: 38 [2020-11-07 04:39:06,389 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 367 DAG size of output: 45 [2020-11-07 04:39:08,356 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-11-07 04:39:10,508 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 237 DAG size of output: 38 [2020-11-07 04:39:11,235 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:39:13,172 WARN L194 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-11-07 04:39:13,986 WARN L194 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 38 [2020-11-07 04:39:15,666 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 236 DAG size of output: 30 [2020-11-07 04:39:17,059 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 220 DAG size of output: 59 [2020-11-07 04:39:20,334 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 367 DAG size of output: 45 [2020-11-07 04:39:20,847 WARN L194 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-11-07 04:39:21,013 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:39:22,717 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 261 DAG size of output: 41 [2020-11-07 04:39:22,875 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:39:25,151 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 255 DAG size of output: 37 [2020-11-07 04:39:27,316 WARN L194 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 237 DAG size of output: 38 [2020-11-07 04:39:27,518 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-11-07 04:39:39,682 WARN L194 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-11-07 04:39:40,403 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:39:52,567 WARN L194 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 611 DAG size of output: 37 [2020-11-07 04:39:54,254 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 236 DAG size of output: 34 [2020-11-07 04:39:54,560 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:39:55,317 WARN L194 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:39:56,066 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:39:58,110 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 275 DAG size of output: 39 [2020-11-07 04:39:58,930 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-11-07 04:39:59,697 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2020-11-07 04:40:00,201 WARN L194 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:40:01,210 WARN L194 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 48 [2020-11-07 04:40:02,029 WARN L194 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 16 [2020-11-07 04:40:07,795 WARN L194 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-11-07 04:40:08,664 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-11-07 04:40:09,190 WARN L194 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:40:11,415 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 279 DAG size of output: 35 [2020-11-07 04:40:17,211 WARN L194 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-11-07 04:40:23,600 WARN L194 SmtUtils]: Spent 6.37 s on a formula simplification. DAG size of input: 441 DAG size of output: 42 [2020-11-07 04:40:25,848 WARN L194 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 393 DAG size of output: 1 [2020-11-07 04:40:26,119 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-11-07 04:40:26,494 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 16 [2020-11-07 04:40:29,683 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 368 DAG size of output: 40 [2020-11-07 04:40:30,921 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 233 DAG size of output: 31 [2020-11-07 04:40:32,185 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 229 DAG size of output: 51 [2020-11-07 04:40:32,345 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:40:32,554 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-11-07 04:40:34,232 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-11-07 04:40:35,944 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 239 DAG size of output: 42 [2020-11-07 04:40:46,896 WARN L194 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-11-07 04:40:47,101 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 15 [2020-11-07 04:40:47,409 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:40:48,951 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 262 DAG size of output: 35 [2020-11-07 04:40:50,594 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 236 DAG size of output: 40 [2020-11-07 04:40:52,885 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 267 DAG size of output: 28 [2020-11-07 04:41:04,006 WARN L194 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 587 DAG size of output: 36 [2020-11-07 04:41:05,498 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 30 [2020-11-07 04:41:06,993 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-11-07 04:41:09,598 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 34 [2020-11-07 04:41:09,813 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-11-07 04:41:10,628 WARN L194 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:41:11,184 WARN L194 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-11-07 04:41:12,993 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:41:15,221 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 250 DAG size of output: 41 [2020-11-07 04:41:16,128 WARN L194 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 20 [2020-11-07 04:41:22,159 WARN L194 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 473 DAG size of output: 42 [2020-11-07 04:41:22,475 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:41:24,781 WARN L194 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 234 DAG size of output: 34 [2020-11-07 04:41:25,125 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:41:25,465 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:41:25,638 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1