/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:11:52,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:11:52,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:11:53,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:11:53,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:11:53,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:11:53,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:11:53,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:11:53,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:11:53,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:11:53,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:11:53,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:11:53,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:11:53,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:11:53,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:11:53,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:11:53,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:11:53,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:11:53,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:11:53,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:11:53,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:11:53,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:11:53,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:11:53,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:11:53,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:11:53,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:11:53,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:11:53,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:11:53,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:11:53,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:11:53,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:11:53,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:11:53,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:11:53,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:11:53,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:11:53,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:11:53,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:11:53,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:11:53,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:11:53,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:11:53,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:11:53,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:11:53,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:11:53,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:11:53,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:11:53,100 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:11:53,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:11:53,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:11:53,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:11:53,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:11:53,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:11:53,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:11:53,102 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:11:53,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:11:53,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:11:53,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:11:53,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:11:53,104 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:11:53,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:11:53,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:11:53,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:53,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:11:53,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:11:53,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:11:53,106 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:11:53,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:11:53,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:11:53,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:11:53,662 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:11:53,662 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:11:53,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-10-24 00:11:53,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fce33df/20454896a7ac4ba3be24c8d99398cb74/FLAGb663913d3 [2020-10-24 00:11:54,514 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:11:54,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-10-24 00:11:54,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fce33df/20454896a7ac4ba3be24c8d99398cb74/FLAGb663913d3 [2020-10-24 00:11:54,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59fce33df/20454896a7ac4ba3be24c8d99398cb74 [2020-10-24 00:11:54,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:11:54,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:11:54,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:54,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:11:54,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:11:54,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a02dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54, skipping insertion in model container [2020-10-24 00:11:54,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:11:54,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:11:55,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:55,273 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:11:55,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:55,485 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:11:55,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55 WrapperNode [2020-10-24 00:11:55,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:55,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:11:55,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:11:55,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:11:55,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... [2020-10-24 00:11:55,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:11:55,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:11:55,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:11:55,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:11:55,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:11:55,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:11:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:11:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:11:55,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:11:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:11:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:11:55,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:11:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:11:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:11:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:11:55,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:11:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:11:55,669 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:11:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:11:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:11:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:11:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:11:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:11:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:11:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:11:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:11:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:11:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:11:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:11:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:11:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:11:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:11:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:11:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:11:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:11:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:11:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:11:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:11:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:11:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:11:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:11:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:11:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:55,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:11:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:11:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:11:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:11:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:11:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:11:55,687 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:11:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:11:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:11:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:11:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:11:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:11:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:11:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:11:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:11:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:11:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:11:55,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:11:57,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:11:57,095 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:11:57,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:57 BoogieIcfgContainer [2020-10-24 00:11:57,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:11:57,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:11:57,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:11:57,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:11:57,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:11:54" (1/3) ... [2020-10-24 00:11:57,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:57, skipping insertion in model container [2020-10-24 00:11:57,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:55" (2/3) ... [2020-10-24 00:11:57,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5220f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:57, skipping insertion in model container [2020-10-24 00:11:57,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:57" (3/3) ... [2020-10-24 00:11:57,113 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-10-24 00:11:57,126 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:11:57,133 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:11:57,147 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:11:57,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:11:57,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:11:57,179 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:11:57,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:11:57,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:11:57,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:11:57,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:11:57,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:11:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states. [2020-10-24 00:11:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:11:57,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:57,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:11:57,256 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:57,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2082647303, now seen corresponding path program 1 times [2020-10-24 00:11:57,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:57,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618727311] [2020-10-24 00:11:57,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,115 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:11:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:11:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:11:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:58,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618727311] [2020-10-24 00:11:58,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:58,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:11:58,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791785016] [2020-10-24 00:11:58,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:11:58,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:58,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:11:58,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:58,444 INFO L87 Difference]: Start difference. First operand 338 states. Second operand 4 states. [2020-10-24 00:11:59,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:11:59,929 INFO L93 Difference]: Finished difference Result 530 states and 623 transitions. [2020-10-24 00:11:59,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:11:59,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:11:59,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:11:59,951 INFO L225 Difference]: With dead ends: 530 [2020-10-24 00:11:59,951 INFO L226 Difference]: Without dead ends: 333 [2020-10-24 00:11:59,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:59,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-24 00:12:00,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 284. [2020-10-24 00:12:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-24 00:12:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 309 transitions. [2020-10-24 00:12:00,210 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 309 transitions. Word has length 166 [2020-10-24 00:12:00,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:00,213 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 309 transitions. [2020-10-24 00:12:00,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:12:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 309 transitions. [2020-10-24 00:12:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:12:00,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:00,227 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:00,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:12:00,228 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:00,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1375778295, now seen corresponding path program 1 times [2020-10-24 00:12:00,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:00,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774909000] [2020-10-24 00:12:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,755 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:12:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:12:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:00,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774909000] [2020-10-24 00:12:00,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:00,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:12:00,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873391065] [2020-10-24 00:12:00,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:12:00,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:00,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:12:00,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:12:00,922 INFO L87 Difference]: Start difference. First operand 284 states and 309 transitions. Second operand 5 states. [2020-10-24 00:12:01,684 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:02,911 INFO L93 Difference]: Finished difference Result 446 states and 503 transitions. [2020-10-24 00:12:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:12:02,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:12:02,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:02,924 INFO L225 Difference]: With dead ends: 446 [2020-10-24 00:12:02,925 INFO L226 Difference]: Without dead ends: 322 [2020-10-24 00:12:02,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:12:02,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-10-24 00:12:03,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 274. [2020-10-24 00:12:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-24 00:12:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 296 transitions. [2020-10-24 00:12:03,074 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 296 transitions. Word has length 167 [2020-10-24 00:12:03,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:03,077 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 296 transitions. [2020-10-24 00:12:03,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:12:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 296 transitions. [2020-10-24 00:12:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:12:03,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:03,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:03,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:12:03,083 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:03,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:03,083 INFO L82 PathProgramCache]: Analyzing trace with hash 878995343, now seen corresponding path program 1 times [2020-10-24 00:12:03,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:03,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548950269] [2020-10-24 00:12:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,646 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:12:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:12:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:12:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:03,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548950269] [2020-10-24 00:12:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:12:03,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861130568] [2020-10-24 00:12:03,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:12:03,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:03,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:12:03,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:12:03,865 INFO L87 Difference]: Start difference. First operand 274 states and 296 transitions. Second operand 11 states. [2020-10-24 00:12:04,467 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:04,878 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:05,191 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:12:05,519 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:05,844 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:06,123 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:07,484 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:10,160 INFO L93 Difference]: Finished difference Result 750 states and 872 transitions. [2020-10-24 00:12:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:12:10,161 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:12:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:10,171 INFO L225 Difference]: With dead ends: 750 [2020-10-24 00:12:10,171 INFO L226 Difference]: Without dead ends: 596 [2020-10-24 00:12:10,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:12:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-10-24 00:12:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 495. [2020-10-24 00:12:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-10-24 00:12:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 555 transitions. [2020-10-24 00:12:10,410 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 555 transitions. Word has length 180 [2020-10-24 00:12:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:10,410 INFO L481 AbstractCegarLoop]: Abstraction has 495 states and 555 transitions. [2020-10-24 00:12:10,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:12:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 555 transitions. [2020-10-24 00:12:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:12:10,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:10,415 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] [2020-10-24 00:12:10,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:12:10,415 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1264484845, now seen corresponding path program 1 times [2020-10-24 00:12:10,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:10,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85085902] [2020-10-24 00:12:10,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,754 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:12:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:12:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:12:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:12:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:12:10,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85085902] [2020-10-24 00:12:10,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:10,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:10,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802308293] [2020-10-24 00:12:10,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:10,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:10,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:10,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:10,937 INFO L87 Difference]: Start difference. First operand 495 states and 555 transitions. Second operand 10 states. [2020-10-24 00:12:11,520 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:12,533 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:12,836 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:14,052 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:14,365 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:14,768 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:15,085 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:15,446 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:15,764 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:16,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:16,715 INFO L93 Difference]: Finished difference Result 1135 states and 1362 transitions. [2020-10-24 00:12:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:12:16,716 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:12:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:16,723 INFO L225 Difference]: With dead ends: 1135 [2020-10-24 00:12:16,723 INFO L226 Difference]: Without dead ends: 760 [2020-10-24 00:12:16,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:12:16,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-24 00:12:17,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 667. [2020-10-24 00:12:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-24 00:12:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 751 transitions. [2020-10-24 00:12:17,020 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 751 transitions. Word has length 185 [2020-10-24 00:12:17,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:17,021 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 751 transitions. [2020-10-24 00:12:17,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 751 transitions. [2020-10-24 00:12:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:12:17,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:17,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:17,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:12:17,026 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:17,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:17,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1568261276, now seen corresponding path program 1 times [2020-10-24 00:12:17,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:17,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573594287] [2020-10-24 00:12:17,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,362 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:12:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:12:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:12:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:12:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:17,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573594287] [2020-10-24 00:12:17,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:17,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:12:17,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576047161] [2020-10-24 00:12:17,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:12:17,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:17,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:12:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:12:17,664 INFO L87 Difference]: Start difference. First operand 667 states and 751 transitions. Second operand 14 states. [2020-10-24 00:12:18,345 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:18,651 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:18,960 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:19,275 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:19,577 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:20,873 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:21,186 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:21,505 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:21,843 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:22,159 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:23,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:23,542 INFO L93 Difference]: Finished difference Result 1428 states and 1737 transitions. [2020-10-24 00:12:23,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:12:23,542 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-24 00:12:23,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:23,552 INFO L225 Difference]: With dead ends: 1428 [2020-10-24 00:12:23,552 INFO L226 Difference]: Without dead ends: 881 [2020-10-24 00:12:23,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:12:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-10-24 00:12:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 682. [2020-10-24 00:12:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-24 00:12:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 767 transitions. [2020-10-24 00:12:23,805 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 767 transitions. Word has length 218 [2020-10-24 00:12:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:23,806 INFO L481 AbstractCegarLoop]: Abstraction has 682 states and 767 transitions. [2020-10-24 00:12:23,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:12:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 767 transitions. [2020-10-24 00:12:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:12:23,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:23,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:23,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:12:23,810 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:23,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:23,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1154629884, now seen corresponding path program 1 times [2020-10-24 00:12:23,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:23,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893104802] [2020-10-24 00:12:23,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,131 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:12:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:12:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:12:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:12:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:24,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893104802] [2020-10-24 00:12:24,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:24,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:12:24,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357411294] [2020-10-24 00:12:24,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:12:24,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:24,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:12:24,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:12:24,411 INFO L87 Difference]: Start difference. First operand 682 states and 767 transitions. Second operand 11 states. [2020-10-24 00:12:26,095 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:26,416 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:26,760 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:27,104 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:27,449 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:27,759 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:29,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:29,051 INFO L93 Difference]: Finished difference Result 1449 states and 1734 transitions. [2020-10-24 00:12:29,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:12:29,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-24 00:12:29,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:29,059 INFO L225 Difference]: With dead ends: 1449 [2020-10-24 00:12:29,059 INFO L226 Difference]: Without dead ends: 887 [2020-10-24 00:12:29,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:12:29,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-24 00:12:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 698. [2020-10-24 00:12:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-24 00:12:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 783 transitions. [2020-10-24 00:12:29,394 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 783 transitions. Word has length 218 [2020-10-24 00:12:29,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:29,396 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 783 transitions. [2020-10-24 00:12:29,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:12:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 783 transitions. [2020-10-24 00:12:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-24 00:12:29,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:29,404 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:29,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:12:29,405 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:29,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:29,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1498743167, now seen corresponding path program 1 times [2020-10-24 00:12:29,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:29,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502780252] [2020-10-24 00:12:29,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,792 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:12:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:12:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-24 00:12:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:12:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:30,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502780252] [2020-10-24 00:12:30,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:30,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:12:30,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4524395] [2020-10-24 00:12:30,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:12:30,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:30,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:12:30,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:12:30,090 INFO L87 Difference]: Start difference. First operand 698 states and 783 transitions. Second operand 8 states. [2020-10-24 00:12:30,656 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:31,365 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:34,846 INFO L93 Difference]: Finished difference Result 2233 states and 2734 transitions. [2020-10-24 00:12:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-24 00:12:34,846 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-24 00:12:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:34,857 INFO L225 Difference]: With dead ends: 2233 [2020-10-24 00:12:34,857 INFO L226 Difference]: Without dead ends: 1655 [2020-10-24 00:12:34,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:12:34,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2020-10-24 00:12:35,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1386. [2020-10-24 00:12:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2020-10-24 00:12:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1580 transitions. [2020-10-24 00:12:35,383 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1580 transitions. Word has length 218 [2020-10-24 00:12:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:35,383 INFO L481 AbstractCegarLoop]: Abstraction has 1386 states and 1580 transitions. [2020-10-24 00:12:35,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:12:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1580 transitions. [2020-10-24 00:12:35,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 00:12:35,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:35,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:35,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:12:35,387 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash 2200967, now seen corresponding path program 1 times [2020-10-24 00:12:35,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:35,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056135341] [2020-10-24 00:12:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,870 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:35,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:12:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:12:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:12:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-24 00:12:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:36,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056135341] [2020-10-24 00:12:36,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:36,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:12:36,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261501489] [2020-10-24 00:12:36,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:12:36,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:36,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:12:36,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:12:36,177 INFO L87 Difference]: Start difference. First operand 1386 states and 1580 transitions. Second operand 15 states. [2020-10-24 00:12:36,989 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:12:38,005 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:39,450 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:12:40,044 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:12:40,492 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:40,824 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:41,393 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:12:41,719 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:42,070 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:42,454 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:45,971 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:12:46,625 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:46,950 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:47,386 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:48,665 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:12:49,272 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:12:49,871 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:12:50,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:50,786 INFO L93 Difference]: Finished difference Result 4232 states and 5199 transitions. [2020-10-24 00:12:50,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:12:50,786 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-10-24 00:12:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:50,809 INFO L225 Difference]: With dead ends: 4232 [2020-10-24 00:12:50,809 INFO L226 Difference]: Without dead ends: 3247 [2020-10-24 00:12:50,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-10-24 00:12:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2020-10-24 00:12:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2535. [2020-10-24 00:12:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2535 states. [2020-10-24 00:12:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 2871 transitions. [2020-10-24 00:12:52,103 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 2871 transitions. Word has length 223 [2020-10-24 00:12:52,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:52,104 INFO L481 AbstractCegarLoop]: Abstraction has 2535 states and 2871 transitions. [2020-10-24 00:12:52,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:12:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2871 transitions. [2020-10-24 00:12:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-24 00:12:52,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:52,110 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] [2020-10-24 00:12:52,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:12:52,110 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:52,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2054034462, now seen corresponding path program 1 times [2020-10-24 00:12:52,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:52,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276800196] [2020-10-24 00:12:52,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,463 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:52,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:12:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:12:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:12:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:12:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:12:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:12:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-24 00:12:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:12:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:12:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-10-24 00:12:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-10-24 00:12:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-24 00:12:52,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276800196] [2020-10-24 00:12:52,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:12:52,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:12:52,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378184533] [2020-10-24 00:12:52,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:12:52,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:52,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:12:52,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:12:52,978 INFO L87 Difference]: Start difference. First operand 2535 states and 2871 transitions. Second operand 19 states. [2020-10-24 00:12:53,884 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:54,193 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:54,503 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:54,808 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:55,105 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:56,142 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:12:56,579 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:56,994 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:57,293 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:57,624 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:58,037 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:58,508 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:12:58,883 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:13:00,508 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:01,990 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:02,617 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:13:03,312 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:13:03,818 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:04,714 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:05,422 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:05,828 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:13:06,628 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:13:07,333 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:13:08,392 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:13:09,035 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:09,753 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:13:11,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:11,544 INFO L93 Difference]: Finished difference Result 5761 states and 6805 transitions. [2020-10-24 00:13:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-24 00:13:11,545 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2020-10-24 00:13:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:11,567 INFO L225 Difference]: With dead ends: 5761 [2020-10-24 00:13:11,567 INFO L226 Difference]: Without dead ends: 3612 [2020-10-24 00:13:11,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2465 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-10-24 00:13:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3612 states. [2020-10-24 00:13:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3612 to 2961. [2020-10-24 00:13:13,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2961 states. [2020-10-24 00:13:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 3300 transitions. [2020-10-24 00:13:13,135 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 3300 transitions. Word has length 309 [2020-10-24 00:13:13,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:13,136 INFO L481 AbstractCegarLoop]: Abstraction has 2961 states and 3300 transitions. [2020-10-24 00:13:13,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:13:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 3300 transitions. [2020-10-24 00:13:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-10-24 00:13:13,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:13,149 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:13,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:13:13,149 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:13,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:13,150 INFO L82 PathProgramCache]: Analyzing trace with hash 411682920, now seen corresponding path program 1 times [2020-10-24 00:13:13,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:13,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029222161] [2020-10-24 00:13:13,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,502 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:13:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:13:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:13:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-10-24 00:13:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-10-24 00:13:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-10-24 00:13:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-10-24 00:13:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:13:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-24 00:13:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-10-24 00:13:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-10-24 00:13:14,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029222161] [2020-10-24 00:13:14,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:14,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:13:14,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649973923] [2020-10-24 00:13:14,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:13:14,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:14,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:13:14,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:13:14,287 INFO L87 Difference]: Start difference. First operand 2961 states and 3300 transitions. Second operand 17 states. [2020-10-24 00:13:14,966 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:16,168 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:21,324 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:21,676 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:22,042 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:22,390 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:22,775 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:23,118 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:23,446 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:23,789 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:24,130 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:24,485 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:24,827 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:25,169 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:25,860 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:13:26,192 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:26,770 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:13:27,115 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:27,480 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:13:27,816 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:31,101 INFO L93 Difference]: Finished difference Result 9067 states and 10519 transitions. [2020-10-24 00:13:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-24 00:13:31,102 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 479 [2020-10-24 00:13:31,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:31,137 INFO L225 Difference]: With dead ends: 9067 [2020-10-24 00:13:31,137 INFO L226 Difference]: Without dead ends: 6239 [2020-10-24 00:13:31,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=823, Invalid=3337, Unknown=0, NotChecked=0, Total=4160 [2020-10-24 00:13:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2020-10-24 00:13:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 5429. [2020-10-24 00:13:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5429 states. [2020-10-24 00:13:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 5992 transitions. [2020-10-24 00:13:33,780 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 5992 transitions. Word has length 479 [2020-10-24 00:13:33,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:33,784 INFO L481 AbstractCegarLoop]: Abstraction has 5429 states and 5992 transitions. [2020-10-24 00:13:33,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:13:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 5992 transitions. [2020-10-24 00:13:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-10-24 00:13:33,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:33,804 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:33,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:13:33,804 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:33,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:33,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1080201460, now seen corresponding path program 1 times [2020-10-24 00:13:33,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:33,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060514212] [2020-10-24 00:13:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,173 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:13:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-24 00:13:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:13:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:13:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:13:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:13:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-10-24 00:13:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-10-24 00:13:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:13:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-10-24 00:13:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:34,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:13:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-10-24 00:13:35,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060514212] [2020-10-24 00:13:35,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:35,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-24 00:13:35,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315495256] [2020-10-24 00:13:35,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-24 00:13:35,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:35,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-24 00:13:35,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:13:35,062 INFO L87 Difference]: Start difference. First operand 5429 states and 5992 transitions. Second operand 23 states. [2020-10-24 00:13:35,725 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:36,153 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:36,473 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:36,794 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:37,109 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:37,410 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:38,495 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:44,353 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:44,691 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:45,043 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:45,383 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:45,709 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:46,043 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:46,355 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:46,691 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:47,019 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:47,397 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:47,802 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:48,200 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:48,923 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:49,564 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:13:50,156 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:54,383 INFO L93 Difference]: Finished difference Result 11365 states and 13095 transitions. [2020-10-24 00:13:54,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-24 00:13:54,384 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 484 [2020-10-24 00:13:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:54,423 INFO L225 Difference]: With dead ends: 11365 [2020-10-24 00:13:54,423 INFO L226 Difference]: Without dead ends: 6637 [2020-10-24 00:13:54,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2003 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1294, Invalid=5846, Unknown=0, NotChecked=0, Total=7140 [2020-10-24 00:13:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6637 states. [2020-10-24 00:13:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6637 to 5141. [2020-10-24 00:13:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5141 states. [2020-10-24 00:13:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 5664 transitions. [2020-10-24 00:13:56,640 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 5664 transitions. Word has length 484 [2020-10-24 00:13:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:56,640 INFO L481 AbstractCegarLoop]: Abstraction has 5141 states and 5664 transitions. [2020-10-24 00:13:56,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-24 00:13:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 5664 transitions. [2020-10-24 00:13:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-10-24 00:13:56,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:56,659 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:56,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:13:56,659 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:56,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:56,660 INFO L82 PathProgramCache]: Analyzing trace with hash 980549780, now seen corresponding path program 2 times [2020-10-24 00:13:56,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:56,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874456661] [2020-10-24 00:13:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,002 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:57,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:13:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:13:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:13:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-24 00:13:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:13:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-10-24 00:13:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-10-24 00:13:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-10-24 00:13:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:13:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-10-24 00:13:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:13:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-10-24 00:13:57,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874456661] [2020-10-24 00:13:57,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:57,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:13:57,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175126703] [2020-10-24 00:13:57,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:13:57,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:57,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:13:57,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:13:57,743 INFO L87 Difference]: Start difference. First operand 5141 states and 5664 transitions. Second operand 18 states. [2020-10-24 00:13:59,622 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:59,935 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:00,263 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:00,601 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:00,917 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:01,217 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:03,293 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:03,640 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:11,470 INFO L93 Difference]: Finished difference Result 16510 states and 19611 transitions. [2020-10-24 00:14:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:14:11,471 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 484 [2020-10-24 00:14:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:11,529 INFO L225 Difference]: With dead ends: 16510 [2020-10-24 00:14:11,529 INFO L226 Difference]: Without dead ends: 10359 [2020-10-24 00:14:11,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 133 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=885, Invalid=3405, Unknown=0, NotChecked=0, Total=4290 [2020-10-24 00:14:11,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10359 states. [2020-10-24 00:14:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10359 to 6977. [2020-10-24 00:14:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6977 states. [2020-10-24 00:14:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 7816 transitions. [2020-10-24 00:14:14,750 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 7816 transitions. Word has length 484 [2020-10-24 00:14:14,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:14,750 INFO L481 AbstractCegarLoop]: Abstraction has 6977 states and 7816 transitions. [2020-10-24 00:14:14,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:14:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 7816 transitions. [2020-10-24 00:14:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-10-24 00:14:14,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:14,770 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:14,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:14:14,770 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:14,771 INFO L82 PathProgramCache]: Analyzing trace with hash -561119141, now seen corresponding path program 1 times [2020-10-24 00:14:14,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:14,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075393874] [2020-10-24 00:14:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,251 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:14:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:14:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:14:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-10-24 00:14:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-10-24 00:14:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:14:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:14:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:14:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:14:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:14:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-24 00:14:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-24 00:14:15,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075393874] [2020-10-24 00:14:15,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:15,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:14:15,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184663452] [2020-10-24 00:14:15,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:14:15,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:15,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:14:15,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:14:15,792 INFO L87 Difference]: Start difference. First operand 6977 states and 7816 transitions. Second operand 20 states. [2020-10-24 00:14:16,443 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:16,857 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:17,177 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:17,492 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:17,802 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:14:18,099 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:19,384 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:19,821 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:21,623 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:22,147 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:22,483 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:22,810 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:24,733 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:25,100 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:26,394 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:26,713 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:27,018 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:31,541 INFO L93 Difference]: Finished difference Result 15218 states and 17897 transitions. [2020-10-24 00:14:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-24 00:14:31,541 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 494 [2020-10-24 00:14:31,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:31,582 INFO L225 Difference]: With dead ends: 15218 [2020-10-24 00:14:31,583 INFO L226 Difference]: Without dead ends: 8942 [2020-10-24 00:14:31,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=906, Invalid=3924, Unknown=0, NotChecked=0, Total=4830 [2020-10-24 00:14:31,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8942 states. [2020-10-24 00:14:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8942 to 6777. [2020-10-24 00:14:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6777 states. [2020-10-24 00:14:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6777 states to 6777 states and 7548 transitions. [2020-10-24 00:14:34,742 INFO L78 Accepts]: Start accepts. Automaton has 6777 states and 7548 transitions. Word has length 494 [2020-10-24 00:14:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:34,743 INFO L481 AbstractCegarLoop]: Abstraction has 6777 states and 7548 transitions. [2020-10-24 00:14:34,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:14:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 6777 states and 7548 transitions. [2020-10-24 00:14:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-10-24 00:14:34,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:34,760 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:34,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:14:34,761 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:34,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:34,761 INFO L82 PathProgramCache]: Analyzing trace with hash 743844584, now seen corresponding path program 1 times [2020-10-24 00:14:34,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:34,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305120507] [2020-10-24 00:14:34,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,115 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:35,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:14:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:14:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:14:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:14:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:14:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:14:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-10-24 00:14:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:14:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:14:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-10-24 00:14:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-10-24 00:14:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2020-10-24 00:14:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 144 proven. 37 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-10-24 00:14:35,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305120507] [2020-10-24 00:14:35,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:35,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:14:35,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272140936] [2020-10-24 00:14:35,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:14:35,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:35,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:14:35,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:14:35,848 INFO L87 Difference]: Start difference. First operand 6777 states and 7548 transitions. Second operand 19 states. [2020-10-24 00:14:36,485 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:38,336 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:38,672 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:39,285 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:39,907 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:14:40,208 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:40,787 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:41,102 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:41,475 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:41,885 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:42,214 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:42,516 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:44,330 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:44,674 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:53,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:53,540 INFO L93 Difference]: Finished difference Result 15732 states and 18731 transitions. [2020-10-24 00:14:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-24 00:14:53,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 499 [2020-10-24 00:14:53,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:53,583 INFO L225 Difference]: With dead ends: 15732 [2020-10-24 00:14:53,584 INFO L226 Difference]: Without dead ends: 11628 [2020-10-24 00:14:53,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 151 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1217, Invalid=5589, Unknown=0, NotChecked=0, Total=6806 [2020-10-24 00:14:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11628 states. [2020-10-24 00:14:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11628 to 8239. [2020-10-24 00:14:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8239 states. [2020-10-24 00:14:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8239 states to 8239 states and 9142 transitions. [2020-10-24 00:14:57,346 INFO L78 Accepts]: Start accepts. Automaton has 8239 states and 9142 transitions. Word has length 499 [2020-10-24 00:14:57,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:57,347 INFO L481 AbstractCegarLoop]: Abstraction has 8239 states and 9142 transitions. [2020-10-24 00:14:57,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:14:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8239 states and 9142 transitions. [2020-10-24 00:14:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-10-24 00:14:57,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:57,366 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:57,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:14:57,366 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:57,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:57,367 INFO L82 PathProgramCache]: Analyzing trace with hash 939967553, now seen corresponding path program 1 times [2020-10-24 00:14:57,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:57,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568037264] [2020-10-24 00:14:57,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,727 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:57,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:14:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:14:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:14:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:14:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:14:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:14:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:14:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-10-24 00:14:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-10-24 00:14:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-10-24 00:14:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-10-24 00:14:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-10-24 00:14:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-24 00:14:58,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568037264] [2020-10-24 00:14:58,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:58,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:14:58,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201722964] [2020-10-24 00:14:58,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:14:58,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:58,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:14:58,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:14:58,546 INFO L87 Difference]: Start difference. First operand 8239 states and 9142 transitions. Second operand 19 states. [2020-10-24 00:14:59,201 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:01,082 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:01,425 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:02,062 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:02,716 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:15:03,020 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:03,619 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:03,937 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:04,318 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:04,678 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:15:05,060 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:15:05,407 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:15:05,716 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:07,077 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:07,434 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:08,180 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:15:08,908 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:15:09,600 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:15:10,663 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:11,047 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:15,205 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:16,410 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:16,780 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:17,458 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:18,144 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:15:18,776 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:29,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:29,563 INFO L93 Difference]: Finished difference Result 20827 states and 24990 transitions. [2020-10-24 00:15:29,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2020-10-24 00:15:29,563 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 510 [2020-10-24 00:15:29,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:29,631 INFO L225 Difference]: With dead ends: 20827 [2020-10-24 00:15:29,631 INFO L226 Difference]: Without dead ends: 15983 [2020-10-24 00:15:29,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 184 SyntacticMatches, 7 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5990 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=2604, Invalid=13652, Unknown=0, NotChecked=0, Total=16256 [2020-10-24 00:15:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15983 states. [2020-10-24 00:15:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15983 to 10395. [2020-10-24 00:15:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10395 states. [2020-10-24 00:15:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10395 states to 10395 states and 11498 transitions. [2020-10-24 00:15:34,517 INFO L78 Accepts]: Start accepts. Automaton has 10395 states and 11498 transitions. Word has length 510 [2020-10-24 00:15:34,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:34,517 INFO L481 AbstractCegarLoop]: Abstraction has 10395 states and 11498 transitions. [2020-10-24 00:15:34,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10395 states and 11498 transitions. [2020-10-24 00:15:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-10-24 00:15:34,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:34,548 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:34,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:15:34,548 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:34,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1980954144, now seen corresponding path program 2 times [2020-10-24 00:15:34,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:34,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162588434] [2020-10-24 00:15:34,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,955 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:15:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:15:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:15:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-10-24 00:15:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:15:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:15:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-10-24 00:15:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:15:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-10-24 00:15:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-24 00:15:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-10-24 00:15:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2020-10-24 00:15:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-10-24 00:15:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2020-10-24 00:15:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-10-24 00:15:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2020-10-24 00:15:35,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162588434] [2020-10-24 00:15:35,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:35,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:15:35,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822463506] [2020-10-24 00:15:35,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:15:35,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:35,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:15:35,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:15:35,796 INFO L87 Difference]: Start difference. First operand 10395 states and 11498 transitions. Second operand 20 states. [2020-10-24 00:15:36,484 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:37,515 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:38,812 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:39,151 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:39,806 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:40,440 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:15:40,765 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:41,358 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:41,688 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:41,992 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:42,390 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:42,768 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:15:43,129 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:44,513 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:44,874 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:54,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:54,768 INFO L93 Difference]: Finished difference Result 20858 states and 24363 transitions. [2020-10-24 00:15:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-24 00:15:54,768 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 601 [2020-10-24 00:15:54,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:54,820 INFO L225 Difference]: With dead ends: 20858 [2020-10-24 00:15:54,820 INFO L226 Difference]: Without dead ends: 13830 [2020-10-24 00:15:54,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 174 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2312 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1374, Invalid=5598, Unknown=0, NotChecked=0, Total=6972 [2020-10-24 00:15:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13830 states. [2020-10-24 00:15:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13830 to 10161. [2020-10-24 00:15:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10161 states. [2020-10-24 00:15:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10161 states to 10161 states and 11172 transitions. [2020-10-24 00:15:59,581 INFO L78 Accepts]: Start accepts. Automaton has 10161 states and 11172 transitions. Word has length 601 [2020-10-24 00:15:59,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:59,582 INFO L481 AbstractCegarLoop]: Abstraction has 10161 states and 11172 transitions. [2020-10-24 00:15:59,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:15:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 10161 states and 11172 transitions. [2020-10-24 00:15:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-10-24 00:15:59,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:59,607 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:59,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:15:59,608 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:59,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash 924129283, now seen corresponding path program 1 times [2020-10-24 00:15:59,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:59,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533214874] [2020-10-24 00:15:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,060 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:00,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:16:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:16:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:16:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-24 00:16:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:16:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-10-24 00:16:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:16:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:16:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:16:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-10-24 00:16:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-24 00:16:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-10-24 00:16:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2020-10-24 00:16:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:16:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-10-24 00:16:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:00,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-10-24 00:16:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 165 proven. 125 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2020-10-24 00:16:01,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533214874] [2020-10-24 00:16:01,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:01,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-24 00:16:01,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316275921] [2020-10-24 00:16:01,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-24 00:16:01,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:01,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-24 00:16:01,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2020-10-24 00:16:01,210 INFO L87 Difference]: Start difference. First operand 10161 states and 11172 transitions. Second operand 26 states. [2020-10-24 00:16:02,256 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:16:03,716 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:16:05,641 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:16:06,343 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:16:07,191 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:16:07,910 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:16:08,506 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:16:09,179 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:16:09,830 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:16:10,489 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:16:11,127 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:16:11,738 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:16:17,011 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-24 00:16:18,270 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:16:18,926 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-24 00:16:19,578 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:16:20,247 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-24 00:16:20,881 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:16:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:30,683 INFO L93 Difference]: Finished difference Result 21721 states and 25298 transitions. [2020-10-24 00:16:30,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-10-24 00:16:30,684 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 580 [2020-10-24 00:16:30,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:30,690 INFO L225 Difference]: With dead ends: 21721 [2020-10-24 00:16:30,691 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:16:30,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 167 SyntacticMatches, 11 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3408 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1375, Invalid=9131, Unknown=0, NotChecked=0, Total=10506 [2020-10-24 00:16:30,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:16:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:16:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:16:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:16:30,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 580 [2020-10-24 00:16:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:30,726 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:16:30,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-24 00:16:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:16:30,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:16:30,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:16:30,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:16:31,123 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 253 [2020-10-24 00:16:31,482 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2020-10-24 00:16:33,422 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 267 [2020-10-24 00:16:34,127 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 251 [2020-10-24 00:16:34,398 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 268 [2020-10-24 00:16:34,571 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 266 [2020-10-24 00:16:35,481 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:16:36,797 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:16:37,381 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:16:37,493 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:16:38,087 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-10-24 00:16:39,192 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 265 [2020-10-24 00:16:39,740 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-10-24 00:16:39,889 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 267 [2020-10-24 00:17:05,501 WARN L193 SmtUtils]: Spent 23.82 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:17:29,888 WARN L193 SmtUtils]: Spent 23.70 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:17:33,675 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:17:33,838 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:17:34,198 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:17:34,780 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:17:41,359 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:17:43,279 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-24 00:17:44,167 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-10-24 00:17:44,671 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:17:45,143 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:17:45,294 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:17:45,531 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:17:46,432 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2020-10-24 00:17:47,157 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2020-10-24 00:17:47,885 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:17:53,532 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 276 [2020-10-24 00:17:55,644 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-10-24 00:17:55,817 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 259 [2020-10-24 00:17:55,983 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-10-24 00:17:57,065 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 266 [2020-10-24 00:17:57,641 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-10-24 00:17:58,241 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 271 [2020-10-24 00:17:58,434 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 275 [2020-10-24 00:17:58,726 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-10-24 00:17:59,806 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:18:00,590 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-10-24 00:18:01,450 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-10-24 00:18:02,420 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 263 [2020-10-24 00:18:02,619 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 244 [2020-10-24 00:18:02,831 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 247 [2020-10-24 00:18:03,624 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 249 [2020-10-24 00:18:13,923 WARN L193 SmtUtils]: Spent 9.77 s on a formula simplification. DAG size of input: 1689 DAG size of output: 777 [2020-10-24 00:18:24,926 WARN L193 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 1617 DAG size of output: 908 [2020-10-24 00:18:26,543 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:18:27,098 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-10-24 00:18:29,762 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:18:30,652 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:18:31,241 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:18:31,406 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:18:32,257 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:18:34,129 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-24 00:18:34,993 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-10-24 00:18:35,456 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:18:35,931 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:18:36,075 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:18:36,314 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:18:37,216 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2020-10-24 00:18:38,566 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:18:39,774 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:18:40,204 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:18:40,371 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:18:40,683 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:18:46,179 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:18:46,936 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2020-10-24 00:19:11,146 WARN L193 SmtUtils]: Spent 16.82 s on a formula simplification. DAG size of input: 1963 DAG size of output: 1083 [2020-10-24 00:19:28,092 WARN L193 SmtUtils]: Spent 16.94 s on a formula simplification. DAG size of input: 1963 DAG size of output: 1083 [2020-10-24 00:19:43,098 WARN L193 SmtUtils]: Spent 14.39 s on a formula simplification. DAG size of input: 1583 DAG size of output: 977 [2020-10-24 00:19:55,667 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:19:55,833 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:19:56,039 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:19:56,192 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:19:56,318 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:19:56,691 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:20:02,533 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 276 [2020-10-24 00:20:03,366 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 270 [2020-10-24 00:20:03,708 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 271 [2020-10-24 00:20:03,901 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 271 [2020-10-24 00:20:04,994 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:06,009 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 250 [2020-10-24 00:20:06,400 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:06,633 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:06,785 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:07,245 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 250 [2020-10-24 00:20:07,464 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:07,620 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:08,027 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-10-24 00:20:08,166 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-10-24 00:20:08,800 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 250 [2020-10-24 00:20:09,887 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 250 [2020-10-24 00:20:10,045 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:10,752 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 256 [2020-10-24 00:20:10,871 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 256 [2020-10-24 00:20:12,145 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2020-10-24 00:20:14,241 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 250 [2020-10-24 00:20:15,058 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 271 [2020-10-24 00:20:16,146 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 268 [2020-10-24 00:20:16,809 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 271 [2020-10-24 00:20:16,964 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 270 [2020-10-24 00:20:26,722 WARN L193 SmtUtils]: Spent 9.75 s on a formula simplification. DAG size of input: 1689 DAG size of output: 777 [2020-10-24 00:20:27,287 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:27,421 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:28,164 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:20:29,104 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:29,566 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:20:30,552 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-24 00:20:30,698 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-24 00:20:32,247 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-10-24 00:20:32,801 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:32,960 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:33,119 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:33,521 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:33,741 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:34,087 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:34,234 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:34,355 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:20:34,517 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:34,816 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:35,134 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:20:35,266 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:35,560 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:20:35,948 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:36,083 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:36,679 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:36,837 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:37,169 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2020-10-24 00:20:38,255 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 256 [2020-10-24 00:20:38,675 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:38,838 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:20:39,096 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:20:39,829 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:40,002 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:20:40,142 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 252 [2020-10-24 00:20:40,295 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:20:40,594 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:20:41,642 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:20:42,181 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:20:42,292 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:20:43,881 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:20:44,317 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:20:44,486 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:20:44,791 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:20:54,992 WARN L193 SmtUtils]: Spent 9.64 s on a formula simplification. DAG size of input: 1689 DAG size of output: 777 [2020-10-24 00:21:04,628 WARN L193 SmtUtils]: Spent 9.63 s on a formula simplification. DAG size of input: 1689 DAG size of output: 777 [2020-10-24 00:21:27,678 WARN L193 SmtUtils]: Spent 23.04 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:21:28,490 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2020-10-24 00:21:29,611 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 267 [2020-10-24 00:21:30,304 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 268 [2020-10-24 00:21:30,422 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 266 [2020-10-24 00:21:34,305 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:34,809 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:21:35,198 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:35,451 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:21:36,001 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:21:36,390 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:36,665 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:37,348 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:38,800 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:38,979 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:21:39,884 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:21:40,122 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:21:40,464 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:41,563 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-10-24 00:21:41,963 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2020-10-24 00:21:42,428 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 260 [2020-10-24 00:21:44,514 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 244 [2020-10-24 00:21:45,200 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:21:45,366 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:21:45,602 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 268 [2020-10-24 00:21:47,770 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-10-24 00:21:48,805 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 262 [2020-10-24 00:21:49,313 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 267 [2020-10-24 00:21:49,895 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2020-10-24 00:21:50,054 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 268 [2020-10-24 00:21:50,322 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:21:51,384 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-10-24 00:21:52,146 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:21:52,969 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 267 [2020-10-24 00:21:53,838 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:21:54,002 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:21:54,220 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:21:54,746 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:22:18,574 WARN L193 SmtUtils]: Spent 22.85 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:22:41,362 WARN L193 SmtUtils]: Spent 22.76 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:22:41,758 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 271 [2020-10-24 00:22:42,838 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 268 [2020-10-24 00:22:43,485 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 271 [2020-10-24 00:22:43,644 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 270 [2020-10-24 00:23:06,433 WARN L193 SmtUtils]: Spent 22.78 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:23:06,892 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 262 [2020-10-24 00:23:07,084 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 244 [2020-10-24 00:23:07,294 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 247 [2020-10-24 00:23:08,068 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-10-24 00:23:17,864 WARN L193 SmtUtils]: Spent 9.47 s on a formula simplification. DAG size of input: 1689 DAG size of output: 775 [2020-10-24 00:23:18,229 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 276 [2020-10-24 00:23:19,052 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 274 [2020-10-24 00:23:19,419 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 275 [2020-10-24 00:23:19,617 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 274 [2020-10-24 00:23:19,962 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 273 [2020-10-24 00:23:20,791 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 270 [2020-10-24 00:23:21,135 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 272 [2020-10-24 00:23:21,320 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 271 [2020-10-24 00:23:23,207 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 248 [2020-10-24 00:23:56,288 WARN L193 SmtUtils]: Spent 22.88 s on a formula simplification. DAG size of input: 2230 DAG size of output: 1163 [2020-10-24 00:24:14,240 WARN L193 SmtUtils]: Spent 16.38 s on a formula simplification. DAG size of input: 1963 DAG size of output: 1083 [2020-10-24 00:24:14,539 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-24 00:24:15,414 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 248 [2020-10-24 00:24:16,011 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-10-24 00:24:16,181 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-24 00:24:16,287 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 252 [2020-10-24 00:24:16,530 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:24:17,224 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2020-10-24 00:24:17,662 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2020-10-24 00:24:17,772 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 254 [2020-10-24 00:24:18,495 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-10-24 00:24:21,888 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:22,051 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:22,266 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:22,726 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:22,904 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:23,542 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:23,700 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:23,963 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:24:24,294 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:24:24,438 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:24:24,585 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2020-10-24 00:24:25,172 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-24 00:24:34,273 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 248 [2020-10-24 00:24:34,454 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 244 [2020-10-24 00:24:34,663 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 259 [2020-10-24 00:24:35,423 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 249 [2020-10-24 00:24:37,126 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2020-10-24 00:24:37,833 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 257 [2020-10-24 00:24:47,494 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:24:48,041 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-10-24 00:24:52,317 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:52,879 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-10-24 00:24:53,252 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:53,566 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-10-24 00:24:54,018 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-10-24 00:24:54,405 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:54,651 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:55,325 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:56,868 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:57,084 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-10-24 00:24:58,354 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:24:59,385 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-10-24 00:25:01,680 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 268 [2020-10-24 00:25:03,322 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 256 [2020-10-24 00:25:03,430 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:25:03,545 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 251 [2020-10-24 00:25:03,663 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 250 [2020-10-24 00:25:03,792 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-10-24 00:25:03,936 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 256 [2020-10-24 00:25:04,122 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 245 [2020-10-24 00:25:04,424 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 251 [2020-10-24 00:25:04,539 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-10-24 00:25:04,715 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 250 [2020-10-24 00:25:04,974 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 256 [2020-10-24 00:25:05,597 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 244 [2020-10-24 00:25:05,709 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 251 [2020-10-24 00:25:15,570 WARN L193 SmtUtils]: Spent 9.51 s on a formula simplification. DAG size of input: 1689 DAG size of output: 777