/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:37:47,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:37:47,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:37:47,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:37:47,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:37:47,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:37:47,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:37:47,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:37:47,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:37:47,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:37:47,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:37:47,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:37:47,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:37:47,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:37:47,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:37:47,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:37:47,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:37:47,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:37:47,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:37:47,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:37:47,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:37:47,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:37:47,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:37:47,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:37:47,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:37:47,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:37:47,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:37:47,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:37:47,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:37:47,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:37:47,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:37:47,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:37:47,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:37:47,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:37:47,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:37:47,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:37:47,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:37:47,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:37:47,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:37:47,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:37:47,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:37:47,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:37:47,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:37:47,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:37:47,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:37:47,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:37:47,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:37:47,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:37:47,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:37:47,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:37:47,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:37:47,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:37:47,430 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:37:47,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:37:47,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:37:47,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:37:47,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:37:47,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:37:47,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:37:47,432 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:37:47,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:37:47,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:37:47,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:37:47,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:37:47,813 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:37:47,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-11-07 04:37:47,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f27c3702/7b703a1547cb4308987300ebab01121e/FLAGbc1aa2de6 [2020-11-07 04:37:48,586 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:37:48,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-11-07 04:37:48,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f27c3702/7b703a1547cb4308987300ebab01121e/FLAGbc1aa2de6 [2020-11-07 04:37:48,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f27c3702/7b703a1547cb4308987300ebab01121e [2020-11-07 04:37:48,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:37:48,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:37:48,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:37:48,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:37:48,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:37:48,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:48" (1/1) ... [2020-11-07 04:37:48,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24994ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:48, skipping insertion in model container [2020-11-07 04:37:48,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:37:48" (1/1) ... [2020-11-07 04:37:48,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:37:48,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:37:49,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:37:49,350 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:37:49,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:37:49,523 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:37:49,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49 WrapperNode [2020-11-07 04:37:49,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:37:49,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:37:49,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:37:49,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:37:49,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... [2020-11-07 04:37:49,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:37:49,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:37:49,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:37:49,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:37:49,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:37:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:37:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:37:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:37:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:37:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:37:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:37:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:37:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:37:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:37:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:37:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:37:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:37:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:37:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:37:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:37:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:37:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:37:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:37:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:37:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:37:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:37:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:37:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:37:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:37:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:37:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:37:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:37:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:37:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:37:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:37:51,773 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:37:51,773 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:37:51,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:51 BoogieIcfgContainer [2020-11-07 04:37:51,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:37:51,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:37:51,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:37:51,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:37:51,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:37:48" (1/3) ... [2020-11-07 04:37:51,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccc126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:51, skipping insertion in model container [2020-11-07 04:37:51,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:37:49" (2/3) ... [2020-11-07 04:37:51,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccc126b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:37:51, skipping insertion in model container [2020-11-07 04:37:51,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:37:51" (3/3) ... [2020-11-07 04:37:51,795 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-11-07 04:37:51,812 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:37:51,817 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:37:51,830 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:37:51,857 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:37:51,857 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:37:51,858 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:37:51,858 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:37:51,858 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:37:51,858 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:37:51,858 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:37:51,859 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:37:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-11-07 04:37:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:37:51,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:51,912 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:51,913 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:51,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:51,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1080584532, now seen corresponding path program 1 times [2020-11-07 04:37:51,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:51,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847871781] [2020-11-07 04:37:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,105 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:37:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:37:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:37:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:53,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847871781] [2020-11-07 04:37:53,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:53,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:37:53,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458530973] [2020-11-07 04:37:53,329 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:37:53,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:37:53,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:37:53,345 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-11-07 04:37:56,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:56,051 INFO L93 Difference]: Finished difference Result 573 states and 664 transitions. [2020-11-07 04:37:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:37:56,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:37:56,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:56,101 INFO L225 Difference]: With dead ends: 573 [2020-11-07 04:37:56,101 INFO L226 Difference]: Without dead ends: 354 [2020-11-07 04:37:56,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:37:56,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-11-07 04:37:56,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 306. [2020-11-07 04:37:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-07 04:37:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 331 transitions. [2020-11-07 04:37:56,300 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 331 transitions. Word has length 166 [2020-11-07 04:37:56,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:56,302 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 331 transitions. [2020-11-07 04:37:56,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:37:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 331 transitions. [2020-11-07 04:37:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:37:56,307 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:56,308 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:37:56,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:37:56,309 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:37:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:56,309 INFO L82 PathProgramCache]: Analyzing trace with hash 725132887, now seen corresponding path program 1 times [2020-11-07 04:37:56,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:56,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872347730] [2020-11-07 04:37:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,147 WARN L194 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:57,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:37:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:37:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:37:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:37:57,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872347730] [2020-11-07 04:37:57,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:37:57,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:37:57,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550827533] [2020-11-07 04:37:57,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:37:57,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:57,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:37:57,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:37:57,273 INFO L87 Difference]: Start difference. First operand 306 states and 331 transitions. Second operand 5 states. [2020-11-07 04:37:58,606 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:00,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:00,803 INFO L93 Difference]: Finished difference Result 495 states and 552 transitions. [2020-11-07 04:38:00,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:38:00,804 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:38:00,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:00,809 INFO L225 Difference]: With dead ends: 495 [2020-11-07 04:38:00,809 INFO L226 Difference]: Without dead ends: 343 [2020-11-07 04:38:00,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:38:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-11-07 04:38:00,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 296. [2020-11-07 04:38:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-07 04:38:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 318 transitions. [2020-11-07 04:38:00,935 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 318 transitions. Word has length 167 [2020-11-07 04:38:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:00,936 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 318 transitions. [2020-11-07 04:38:00,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:38:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 318 transitions. [2020-11-07 04:38:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:38:00,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:00,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:00,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:38:00,940 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:00,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:00,941 INFO L82 PathProgramCache]: Analyzing trace with hash -544684150, now seen corresponding path program 1 times [2020-11-07 04:38:00,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:00,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730158811] [2020-11-07 04:38:00,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,772 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:38:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:38:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:01,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730158811] [2020-11-07 04:38:01,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:01,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:38:01,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175178549] [2020-11-07 04:38:01,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:38:01,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:02,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:38:02,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:38:02,000 INFO L87 Difference]: Start difference. First operand 296 states and 318 transitions. Second operand 11 states. [2020-11-07 04:38:03,065 WARN L194 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:03,886 WARN L194 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:04,621 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:38:05,324 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:06,040 WARN L194 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:06,808 WARN L194 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:10,210 INFO L93 Difference]: Finished difference Result 542 states and 617 transitions. [2020-11-07 04:38:10,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:38:10,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:38:10,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:10,215 INFO L225 Difference]: With dead ends: 542 [2020-11-07 04:38:10,216 INFO L226 Difference]: Without dead ends: 366 [2020-11-07 04:38:10,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:38:10,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-11-07 04:38:10,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 296. [2020-11-07 04:38:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-07 04:38:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 317 transitions. [2020-11-07 04:38:10,359 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 317 transitions. Word has length 180 [2020-11-07 04:38:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:10,362 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 317 transitions. [2020-11-07 04:38:10,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:38:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 317 transitions. [2020-11-07 04:38:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-07 04:38:10,370 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:10,371 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:10,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:38:10,371 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:10,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:10,372 INFO L82 PathProgramCache]: Analyzing trace with hash 412016147, now seen corresponding path program 1 times [2020-11-07 04:38:10,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:10,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792600435] [2020-11-07 04:38:10,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,160 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:38:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-07 04:38:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:11,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792600435] [2020-11-07 04:38:11,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:11,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:38:11,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516042948] [2020-11-07 04:38:11,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:38:11,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:11,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:38:11,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:38:11,402 INFO L87 Difference]: Start difference. First operand 296 states and 317 transitions. Second operand 8 states. [2020-11-07 04:38:12,539 WARN L194 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:16,665 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:18,259 INFO L93 Difference]: Finished difference Result 733 states and 864 transitions. [2020-11-07 04:38:18,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:38:18,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-11-07 04:38:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:18,269 INFO L225 Difference]: With dead ends: 733 [2020-11-07 04:38:18,270 INFO L226 Difference]: Without dead ends: 557 [2020-11-07 04:38:18,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:38:18,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-11-07 04:38:18,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 417. [2020-11-07 04:38:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-11-07 04:38:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 450 transitions. [2020-11-07 04:38:18,472 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 450 transitions. Word has length 193 [2020-11-07 04:38:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:18,473 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 450 transitions. [2020-11-07 04:38:18,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:38:18,473 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 450 transitions. [2020-11-07 04:38:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:38:18,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:18,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:18,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:38:18,478 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:18,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash 948018395, now seen corresponding path program 1 times [2020-11-07 04:38:18,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:18,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651495191] [2020-11-07 04:38:18,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,253 WARN L194 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:38:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:38:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:38:19,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651495191] [2020-11-07 04:38:19,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:19,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:38:19,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987959917] [2020-11-07 04:38:19,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:38:19,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:19,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:38:19,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:38:19,659 INFO L87 Difference]: Start difference. First operand 417 states and 450 transitions. Second operand 11 states. [2020-11-07 04:38:20,796 WARN L194 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:22,667 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:23,388 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:25,846 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:26,589 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:27,360 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:28,591 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:29,327 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:38:30,044 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:31,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:31,355 INFO L93 Difference]: Finished difference Result 851 states and 991 transitions. [2020-11-07 04:38:31,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:38:31,356 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:38:31,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:31,361 INFO L225 Difference]: With dead ends: 851 [2020-11-07 04:38:31,362 INFO L226 Difference]: Without dead ends: 554 [2020-11-07 04:38:31,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-11-07 04:38:31,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-11-07 04:38:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 416. [2020-11-07 04:38:31,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-11-07 04:38:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 447 transitions. [2020-11-07 04:38:31,585 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 447 transitions. Word has length 217 [2020-11-07 04:38:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:31,586 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 447 transitions. [2020-11-07 04:38:31,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:38:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 447 transitions. [2020-11-07 04:38:31,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:38:31,590 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:31,591 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:31,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:38:31,591 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:31,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:31,592 INFO L82 PathProgramCache]: Analyzing trace with hash -2013776576, now seen corresponding path program 1 times [2020-11-07 04:38:31,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:31,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144328349] [2020-11-07 04:38:31,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,276 WARN L194 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:32,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:38:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:38:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:32,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144328349] [2020-11-07 04:38:32,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:32,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:38:32,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7282494] [2020-11-07 04:38:32,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:38:32,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:32,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:38:32,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:38:32,596 INFO L87 Difference]: Start difference. First operand 416 states and 447 transitions. Second operand 11 states. [2020-11-07 04:38:35,289 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:36,058 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:36,847 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:38:37,587 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:38,347 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:39,044 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:41,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:41,603 INFO L93 Difference]: Finished difference Result 854 states and 1000 transitions. [2020-11-07 04:38:41,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:38:41,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-11-07 04:38:41,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:41,608 INFO L225 Difference]: With dead ends: 854 [2020-11-07 04:38:41,608 INFO L226 Difference]: Without dead ends: 558 [2020-11-07 04:38:41,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:38:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-11-07 04:38:41,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 424. [2020-11-07 04:38:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-11-07 04:38:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-11-07 04:38:41,793 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 240 [2020-11-07 04:38:41,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:41,794 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-11-07 04:38:41,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:38:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-11-07 04:38:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:38:41,798 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:41,798 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:41,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:38:41,799 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1506492640, now seen corresponding path program 1 times [2020-11-07 04:38:41,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:41,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921026389] [2020-11-07 04:38:41,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,538 WARN L194 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:42,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:38:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:38:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:42,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921026389] [2020-11-07 04:38:42,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:42,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:38:42,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183818645] [2020-11-07 04:38:42,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:38:42,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:42,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:38:42,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:38:42,927 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 14 states. [2020-11-07 04:38:44,193 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:38:44,948 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:45,687 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:46,426 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:47,126 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:49,190 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:49,922 WARN L194 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:50,672 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:51,440 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:52,157 WARN L194 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:55,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:55,476 INFO L93 Difference]: Finished difference Result 871 states and 1018 transitions. [2020-11-07 04:38:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:38:55,478 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-11-07 04:38:55,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:55,482 INFO L225 Difference]: With dead ends: 871 [2020-11-07 04:38:55,482 INFO L226 Difference]: Without dead ends: 567 [2020-11-07 04:38:55,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:38:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-11-07 04:38:55,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 430. [2020-11-07 04:38:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-11-07 04:38:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 461 transitions. [2020-11-07 04:38:55,679 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 461 transitions. Word has length 240 [2020-11-07 04:38:55,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:55,679 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 461 transitions. [2020-11-07 04:38:55,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:38:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 461 transitions. [2020-11-07 04:38:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:38:55,681 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:38:55,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:38:55,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:38:55,682 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:38:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:38:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1723047549, now seen corresponding path program 1 times [2020-11-07 04:38:55,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:38:55,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012829733] [2020-11-07 04:38:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:38:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,400 WARN L194 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:38:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:38:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:38:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:38:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:38:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:38:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:38:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:38:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:38:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:38:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:38:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:38:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:38:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:38:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:38:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:38:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:38:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:38:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:38:56,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012829733] [2020-11-07 04:38:56,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:38:56,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:38:56,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466971544] [2020-11-07 04:38:56,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:38:56,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:38:56,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:38:56,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:38:56,715 INFO L87 Difference]: Start difference. First operand 430 states and 461 transitions. Second operand 8 states. [2020-11-07 04:38:57,906 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:38:59,233 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:05,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:05,141 INFO L93 Difference]: Finished difference Result 1203 states and 1442 transitions. [2020-11-07 04:39:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-07 04:39:05,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-11-07 04:39:05,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:05,149 INFO L225 Difference]: With dead ends: 1203 [2020-11-07 04:39:05,149 INFO L226 Difference]: Without dead ends: 893 [2020-11-07 04:39:05,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:39:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-11-07 04:39:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 685. [2020-11-07 04:39:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-11-07 04:39:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 753 transitions. [2020-11-07 04:39:05,422 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 753 transitions. Word has length 240 [2020-11-07 04:39:05,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:05,422 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 753 transitions. [2020-11-07 04:39:05,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:39:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 753 transitions. [2020-11-07 04:39:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:39:05,425 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:05,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:05,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:39:05,426 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:05,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:05,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1220511548, now seen corresponding path program 1 times [2020-11-07 04:39:05,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:05,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105227597] [2020-11-07 04:39:05,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,316 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:06,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:39:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:39:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:39:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:39:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:06,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:39:06,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105227597] [2020-11-07 04:39:06,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:39:06,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:39:06,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191685194] [2020-11-07 04:39:06,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:39:06,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:06,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:39:06,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:39:06,763 INFO L87 Difference]: Start difference. First operand 685 states and 753 transitions. Second operand 15 states. [2020-11-07 04:39:08,641 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:39:10,382 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:14,139 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:39:15,595 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:39:16,481 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:17,241 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:18,673 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:39:19,443 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:20,305 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:21,042 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:25,062 WARN L194 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:25,783 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:39:26,529 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:39:28,108 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:39:31,401 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:39:32,846 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:39:34,371 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:39:35,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:39:35,802 INFO L93 Difference]: Finished difference Result 2119 states and 2535 transitions. [2020-11-07 04:39:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:39:35,803 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-11-07 04:39:35,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:39:35,814 INFO L225 Difference]: With dead ends: 2119 [2020-11-07 04:39:35,814 INFO L226 Difference]: Without dead ends: 1661 [2020-11-07 04:39:35,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-11-07 04:39:35,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-11-07 04:39:36,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1218. [2020-11-07 04:39:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-11-07 04:39:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1330 transitions. [2020-11-07 04:39:36,404 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1330 transitions. Word has length 245 [2020-11-07 04:39:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:39:36,405 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1330 transitions. [2020-11-07 04:39:36,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:39:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1330 transitions. [2020-11-07 04:39:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-11-07 04:39:36,408 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:39:36,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:39:36,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:39:36,409 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:39:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:39:36,423 INFO L82 PathProgramCache]: Analyzing trace with hash -830452190, now seen corresponding path program 1 times [2020-11-07 04:39:36,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:39:36,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648562420] [2020-11-07 04:39:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:39:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,173 WARN L194 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:39:37,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:39:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:39:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:39:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:39:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:39:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:39:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:39:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:39:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:39:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:39:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:39:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:39:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:39:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:39:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:39:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:39:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 04:39:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-07 04:39:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:39:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:39:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:39:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:39:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:39:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:39:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:39:37,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648562420] [2020-11-07 04:39:37,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:39:37,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:39:37,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975963688] [2020-11-07 04:39:37,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:39:37,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:39:37,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:39:37,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:39:37,919 INFO L87 Difference]: Start difference. First operand 1218 states and 1330 transitions. Second operand 19 states. [2020-11-07 04:39:39,319 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:39:40,284 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:39:41,088 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:39:41,895 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:39:42,664 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:39:43,415 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:39:45,443 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:39:46,242 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:39:47,006 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:39:48,304 WARN L194 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:39:50,515 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:39:51,559 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:39:53,398 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:39:55,501 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:39:57,632 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:39:59,098 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:40:00,534 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:40:01,495 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:03,255 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:04,593 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:40:05,542 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:40:07,225 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:40:08,957 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:40:12,131 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:40:12,933 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:15,854 INFO L93 Difference]: Finished difference Result 2928 states and 3388 transitions. [2020-11-07 04:40:15,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-07 04:40:15,855 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2020-11-07 04:40:15,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:15,866 INFO L225 Difference]: With dead ends: 2928 [2020-11-07 04:40:15,867 INFO L226 Difference]: Without dead ends: 1932 [2020-11-07 04:40:15,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:40:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-11-07 04:40:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1449. [2020-11-07 04:40:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-11-07 04:40:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1589 transitions. [2020-11-07 04:40:16,605 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1589 transitions. Word has length 336 [2020-11-07 04:40:16,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:16,606 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1589 transitions. [2020-11-07 04:40:16,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:40:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1589 transitions. [2020-11-07 04:40:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:40:16,613 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:16,614 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:16,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:40:16,614 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:16,615 INFO L82 PathProgramCache]: Analyzing trace with hash 741024824, now seen corresponding path program 1 times [2020-11-07 04:40:16,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:16,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154911653] [2020-11-07 04:40:16,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,302 WARN L194 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:40:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:40:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:40:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:40:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:40:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:40:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:40:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2020-11-07 04:40:17,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154911653] [2020-11-07 04:40:17,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:17,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:40:17,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295343944] [2020-11-07 04:40:17,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:40:17,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:17,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:40:17,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:40:17,871 INFO L87 Difference]: Start difference. First operand 1449 states and 1589 transitions. Second operand 13 states. [2020-11-07 04:40:22,931 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:23,674 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:24,404 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:40:25,141 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:25,893 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:26,614 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:28,157 INFO L93 Difference]: Finished difference Result 3015 states and 3455 transitions. [2020-11-07 04:40:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:40:28,159 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 533 [2020-11-07 04:40:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:28,170 INFO L225 Difference]: With dead ends: 3015 [2020-11-07 04:40:28,170 INFO L226 Difference]: Without dead ends: 1824 [2020-11-07 04:40:28,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-11-07 04:40:28,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2020-11-07 04:40:28,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1473. [2020-11-07 04:40:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1473 states. [2020-11-07 04:40:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 1613 transitions. [2020-11-07 04:40:28,930 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 1613 transitions. Word has length 533 [2020-11-07 04:40:28,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:28,931 INFO L481 AbstractCegarLoop]: Abstraction has 1473 states and 1613 transitions. [2020-11-07 04:40:28,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:40:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1613 transitions. [2020-11-07 04:40:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:40:28,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:28,938 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:28,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:40:28,939 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:28,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1474738136, now seen corresponding path program 1 times [2020-11-07 04:40:28,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:28,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [837336973] [2020-11-07 04:40:28,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,662 WARN L194 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:29,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:40:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:40:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:40:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:40:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:40:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:40:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:40:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-11-07 04:40:30,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [837336973] [2020-11-07 04:40:30,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:30,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:40:30,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713991140] [2020-11-07 04:40:30,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:40:30,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:30,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:40:30,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:40:30,534 INFO L87 Difference]: Start difference. First operand 1473 states and 1613 transitions. Second operand 17 states. [2020-11-07 04:40:34,500 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:40:35,319 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:36,152 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:36,939 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:37,666 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:38,379 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:42,975 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:43,767 WARN L194 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:40:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:40:47,520 INFO L93 Difference]: Finished difference Result 4286 states and 5056 transitions. [2020-11-07 04:40:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-07 04:40:47,521 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 533 [2020-11-07 04:40:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:40:47,536 INFO L225 Difference]: With dead ends: 4286 [2020-11-07 04:40:47,536 INFO L226 Difference]: Without dead ends: 2738 [2020-11-07 04:40:47,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-11-07 04:40:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2020-11-07 04:40:48,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 1895. [2020-11-07 04:40:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-11-07 04:40:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2108 transitions. [2020-11-07 04:40:48,609 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2108 transitions. Word has length 533 [2020-11-07 04:40:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:40:48,610 INFO L481 AbstractCegarLoop]: Abstraction has 1895 states and 2108 transitions. [2020-11-07 04:40:48,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:40:48,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2108 transitions. [2020-11-07 04:40:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2020-11-07 04:40:48,617 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:40:48,618 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:40:48,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:40:48,619 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:40:48,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:40:48,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1200893883, now seen corresponding path program 1 times [2020-11-07 04:40:48,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:40:48,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305309461] [2020-11-07 04:40:48,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:40:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,337 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:40:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:40:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:40:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:40:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:40:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:40:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:40:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:40:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:40:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:40:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:40:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:40:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:40:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:40:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:40:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:40:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-11-07 04:40:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:40:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:40:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:40:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-11-07 04:40:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:40:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:40:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:40:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-11-07 04:40:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:40:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:40:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:40:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:40:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:40:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-11-07 04:40:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-11-07 04:40:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:40:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 134 proven. 41 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-11-07 04:40:50,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305309461] [2020-11-07 04:40:50,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:40:50,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:40:50,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109292674] [2020-11-07 04:40:50,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:40:50,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:40:50,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:40:50,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:40:50,137 INFO L87 Difference]: Start difference. First operand 1895 states and 2108 transitions. Second operand 19 states. [2020-11-07 04:40:51,392 WARN L194 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:40:52,328 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:40:53,132 WARN L194 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:40:53,904 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:54,661 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:40:55,392 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:40:57,588 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:40:58,342 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:00,793 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:01,758 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:02,703 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:03,948 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:06,270 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:07,014 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:09,209 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:09,998 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:10,779 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:41:13,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:13,778 INFO L93 Difference]: Finished difference Result 3975 states and 4635 transitions. [2020-11-07 04:41:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-11-07 04:41:13,785 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 547 [2020-11-07 04:41:13,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:13,797 INFO L225 Difference]: With dead ends: 3975 [2020-11-07 04:41:13,798 INFO L226 Difference]: Without dead ends: 2338 [2020-11-07 04:41:13,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 04:41:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-11-07 04:41:14,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1823. [2020-11-07 04:41:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-11-07 04:41:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2009 transitions. [2020-11-07 04:41:14,616 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2009 transitions. Word has length 547 [2020-11-07 04:41:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:41:14,617 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 2009 transitions. [2020-11-07 04:41:14,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:41:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2009 transitions. [2020-11-07 04:41:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-11-07 04:41:14,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:41:14,626 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:41:14,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:41:14,626 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:41:14,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:41:14,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1482224753, now seen corresponding path program 1 times [2020-11-07 04:41:14,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:41:14,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936540750] [2020-11-07 04:41:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:41:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,364 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:41:15,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:41:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:41:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:41:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:41:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:41:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:41:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:41:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:41:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:41:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:41:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:41:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:41:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:41:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:41:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:41:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:41:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:41:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:41:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:41:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-11-07 04:41:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:41:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:41:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:15,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:41:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:41:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:41:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:41:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:41:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:41:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-11-07 04:41:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-11-07 04:41:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:41:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 133 proven. 66 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-11-07 04:41:16,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936540750] [2020-11-07 04:41:16,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:41:16,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:41:16,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293641898] [2020-11-07 04:41:16,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:41:16,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:41:16,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:41:16,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:41:16,475 INFO L87 Difference]: Start difference. First operand 1823 states and 2009 transitions. Second operand 17 states. [2020-11-07 04:41:17,723 WARN L194 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:20,954 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:22,894 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:23,704 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:25,246 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:41:26,047 WARN L194 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:27,545 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:41:28,320 WARN L194 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:29,744 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:41:31,257 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:41:32,858 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:41:34,217 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:41:34,883 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:38,990 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:39,745 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:42,117 WARN L194 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:41:44,264 WARN L194 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:41:45,048 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:41:46,460 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:47,175 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:41:48,586 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:41:49,291 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:41:50,615 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:41:51,392 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:52,180 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:41:52,899 WARN L194 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:41:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:41:58,790 INFO L93 Difference]: Finished difference Result 4532 states and 5368 transitions. [2020-11-07 04:41:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2020-11-07 04:41:58,791 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 544 [2020-11-07 04:41:58,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:41:58,810 INFO L225 Difference]: With dead ends: 4532 [2020-11-07 04:41:58,810 INFO L226 Difference]: Without dead ends: 3462 [2020-11-07 04:41:58,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 145 SyntacticMatches, 9 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2607 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=1286, Invalid=6370, Unknown=0, NotChecked=0, Total=7656 [2020-11-07 04:41:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2020-11-07 04:42:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 2571. [2020-11-07 04:42:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2571 states. [2020-11-07 04:42:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 2816 transitions. [2020-11-07 04:42:00,098 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 2816 transitions. Word has length 544 [2020-11-07 04:42:00,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:00,098 INFO L481 AbstractCegarLoop]: Abstraction has 2571 states and 2816 transitions. [2020-11-07 04:42:00,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:42:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 2816 transitions. [2020-11-07 04:42:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2020-11-07 04:42:00,109 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:00,110 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:00,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:42:00,110 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:42:00,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:00,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1071772829, now seen corresponding path program 2 times [2020-11-07 04:42:00,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:00,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918800534] [2020-11-07 04:42:00,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,892 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:00,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:42:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:42:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:42:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:42:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:42:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-11-07 04:42:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 04:42:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:42:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:42:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:42:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:42:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:42:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-11-07 04:42:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-11-07 04:42:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-11-07 04:42:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:01,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-11-07 04:42:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-11-07 04:42:02,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918800534] [2020-11-07 04:42:02,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:02,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:42:02,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889410386] [2020-11-07 04:42:02,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:42:02,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:02,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:42:02,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:42:02,192 INFO L87 Difference]: Start difference. First operand 2571 states and 2816 transitions. Second operand 19 states. [2020-11-07 04:42:03,329 WARN L194 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:05,086 WARN L194 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:06,888 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:42:08,559 WARN L194 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:09,333 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:10,768 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:42:11,498 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:12,860 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:42:13,625 WARN L194 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:14,939 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:42:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:42:21,014 INFO L93 Difference]: Finished difference Result 5003 states and 5794 transitions. [2020-11-07 04:42:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-11-07 04:42:21,015 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 651 [2020-11-07 04:42:21,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:42:21,033 INFO L225 Difference]: With dead ends: 5003 [2020-11-07 04:42:21,033 INFO L226 Difference]: Without dead ends: 3384 [2020-11-07 04:42:21,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 165 SyntacticMatches, 8 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=709, Invalid=2597, Unknown=0, NotChecked=0, Total=3306 [2020-11-07 04:42:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2020-11-07 04:42:22,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 2431. [2020-11-07 04:42:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2431 states. [2020-11-07 04:42:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 2634 transitions. [2020-11-07 04:42:22,303 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 2634 transitions. Word has length 651 [2020-11-07 04:42:22,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:42:22,304 INFO L481 AbstractCegarLoop]: Abstraction has 2431 states and 2634 transitions. [2020-11-07 04:42:22,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:42:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2634 transitions. [2020-11-07 04:42:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-11-07 04:42:22,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:42:22,314 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:42:22,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:42:22,314 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:42:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:42:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1897481671, now seen corresponding path program 1 times [2020-11-07 04:42:22,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:42:22,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847901633] [2020-11-07 04:42:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:42:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,044 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:42:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:42:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:42:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:42:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:42:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:42:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:42:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:42:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:42:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:42:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:42:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:42:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:42:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:42:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:42:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:42:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:42:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:42:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-11-07 04:42:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:42:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:42:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:42:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:42:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:42:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-11-07 04:42:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-11-07 04:42:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-11-07 04:42:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:42:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-11-07 04:42:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:42:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:42:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:42:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:42:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:42:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-11-07 04:42:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2020-11-07 04:42:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:42:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2020-11-07 04:42:24,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847901633] [2020-11-07 04:42:24,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:42:24,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:42:24,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505509349] [2020-11-07 04:42:24,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:42:24,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:42:24,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:42:24,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:42:24,417 INFO L87 Difference]: Start difference. First operand 2431 states and 2634 transitions. Second operand 24 states. [2020-11-07 04:42:25,700 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:42:29,937 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:42:31,940 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:42:32,736 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:42:34,274 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:42:35,696 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:42:37,169 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:42:38,626 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:42:40,060 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:42:41,529 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:42:43,101 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:42:44,525 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-11-07 04:42:45,861 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2020-11-07 04:42:50,636 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:42:52,479 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 218 DAG size of output: 211 [2020-11-07 04:42:53,934 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 224 DAG size of output: 213 [2020-11-07 04:42:55,535 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-11-07 04:42:57,007 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-11-07 04:42:59,773 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:43:01,232 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:43:02,651 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:43:04,128 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:43:05,551 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:43:07,848 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:43:08,520 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:09,523 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:43:10,284 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:43:11,046 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:11,759 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:43:12,490 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:43:13,227 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:43:13,938 WARN L194 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:14,721 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:15,469 WARN L194 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:43:16,173 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:43:16,862 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:19,044 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:20,424 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:43:21,164 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:22,578 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:43:23,956 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:43:25,424 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:43:26,124 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:43:27,525 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:43:28,250 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:43:29,808 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 221 DAG size of output: 220 [2020-11-07 04:43:31,150 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:43:32,556 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 216 DAG size of output: 215 [2020-11-07 04:43:33,338 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:34,169 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:43:34,921 WARN L194 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:43:40,978 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:43:42,406 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-11-07 04:43:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:43:47,224 INFO L93 Difference]: Finished difference Result 6156 states and 7044 transitions. [2020-11-07 04:43:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-11-07 04:43:47,225 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 661 [2020-11-07 04:43:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:43:47,248 INFO L225 Difference]: With dead ends: 6156 [2020-11-07 04:43:47,248 INFO L226 Difference]: Without dead ends: 4167 [2020-11-07 04:43:47,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 178 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6217 ImplicationChecksByTransitivity, 62.8s TimeCoverageRelationStatistics Valid=2709, Invalid=14321, Unknown=0, NotChecked=0, Total=17030 [2020-11-07 04:43:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4167 states. [2020-11-07 04:43:48,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4167 to 2802. [2020-11-07 04:43:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states. [2020-11-07 04:43:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3024 transitions. [2020-11-07 04:43:48,745 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3024 transitions. Word has length 661 [2020-11-07 04:43:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:43:48,745 INFO L481 AbstractCegarLoop]: Abstraction has 2802 states and 3024 transitions. [2020-11-07 04:43:48,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:43:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3024 transitions. [2020-11-07 04:43:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2020-11-07 04:43:48,755 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:48,756 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:43:48,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:43:48,756 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:43:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:48,757 INFO L82 PathProgramCache]: Analyzing trace with hash 977365067, now seen corresponding path program 1 times [2020-11-07 04:43:48,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:48,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2120561200] [2020-11-07 04:43:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,509 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:43:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:43:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:43:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:43:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:43:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:43:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:43:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:43:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:43:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:43:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:43:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:43:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:43:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:49,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:43:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:43:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-11-07 04:43:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 04:43:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:43:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:43:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:43:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:43:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:43:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:43:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:43:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-11-07 04:43:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-11-07 04:43:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2020-11-07 04:43:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:43:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-11-07 04:43:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:43:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:43:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:43:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:43:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:43:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-11-07 04:43:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2020-11-07 04:43:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:43:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-11-07 04:43:50,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2120561200] [2020-11-07 04:43:50,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:43:50,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:43:50,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468920919] [2020-11-07 04:43:50,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:43:50,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:43:50,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:43:50,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:43:50,735 INFO L87 Difference]: Start difference. First operand 2802 states and 3024 transitions. Second operand 19 states. [2020-11-07 04:43:51,962 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:53,803 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:55,733 WARN L194 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:43:57,422 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:43:58,171 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:43:59,617 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:44:00,342 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:01,802 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:44:02,534 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:03,875 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:44:08,266 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:09,654 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:44:10,389 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:11,746 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:13,166 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:44:14,547 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:20,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:20,104 INFO L93 Difference]: Finished difference Result 6140 states and 7024 transitions. [2020-11-07 04:44:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-11-07 04:44:20,106 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 666 [2020-11-07 04:44:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:20,127 INFO L225 Difference]: With dead ends: 6140 [2020-11-07 04:44:20,127 INFO L226 Difference]: Without dead ends: 4300 [2020-11-07 04:44:20,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 180 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2000 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=1292, Invalid=4870, Unknown=0, NotChecked=0, Total=6162 [2020-11-07 04:44:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2020-11-07 04:44:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 3043. [2020-11-07 04:44:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3043 states. [2020-11-07 04:44:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 3286 transitions. [2020-11-07 04:44:21,754 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 3286 transitions. Word has length 666 [2020-11-07 04:44:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:21,755 INFO L481 AbstractCegarLoop]: Abstraction has 3043 states and 3286 transitions. [2020-11-07 04:44:21,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:44:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 3286 transitions. [2020-11-07 04:44:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2020-11-07 04:44:21,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:21,765 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:44:21,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:44:21,765 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:44:21,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -267358111, now seen corresponding path program 1 times [2020-11-07 04:44:21,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:21,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876017871] [2020-11-07 04:44:21,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,495 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:44:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:44:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:44:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:44:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:44:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:44:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:44:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-11-07 04:44:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:44:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:44:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-07 04:44:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:44:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-11-07 04:44:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-11-07 04:44:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-11-07 04:44:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:44:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-11-07 04:44:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2020-11-07 04:44:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2020-11-07 04:44:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2020-11-07 04:44:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2020-11-07 04:44:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2020-11-07 04:44:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 296 proven. 24 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2020-11-07 04:44:23,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876017871] [2020-11-07 04:44:23,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:23,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 04:44:23,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584881888] [2020-11-07 04:44:23,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 04:44:23,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:23,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 04:44:23,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-07 04:44:23,314 INFO L87 Difference]: Start difference. First operand 3043 states and 3286 transitions. Second operand 12 states. [2020-11-07 04:44:24,484 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:28,238 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:31,053 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:44:33,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:44:33,494 INFO L93 Difference]: Finished difference Result 5827 states and 6564 transitions. [2020-11-07 04:44:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-11-07 04:44:33,495 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 767 [2020-11-07 04:44:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:44:33,512 INFO L225 Difference]: With dead ends: 5827 [2020-11-07 04:44:33,512 INFO L226 Difference]: Without dead ends: 3784 [2020-11-07 04:44:33,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2020-11-07 04:44:33,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3784 states. [2020-11-07 04:44:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3784 to 3005. [2020-11-07 04:44:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3005 states. [2020-11-07 04:44:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 3230 transitions. [2020-11-07 04:44:35,128 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 3230 transitions. Word has length 767 [2020-11-07 04:44:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:44:35,129 INFO L481 AbstractCegarLoop]: Abstraction has 3005 states and 3230 transitions. [2020-11-07 04:44:35,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 04:44:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3230 transitions. [2020-11-07 04:44:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-11-07 04:44:35,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:44:35,137 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:44:35,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:44:35,137 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:44:35,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:44:35,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1798688235, now seen corresponding path program 2 times [2020-11-07 04:44:35,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:44:35,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349745496] [2020-11-07 04:44:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:44:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,884 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:44:35,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:44:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:44:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:44:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:44:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:44:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:44:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:44:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:44:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:35,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:44:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:44:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:44:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:44:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-11-07 04:44:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2020-11-07 04:44:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-11-07 04:44:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-07 04:44:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:44:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:44:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:44:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:44:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:44:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-11-07 04:44:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-11-07 04:44:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-11-07 04:44:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:44:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:44:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:44:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2020-11-07 04:44:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2020-11-07 04:44:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2020-11-07 04:44:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:44:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2020-11-07 04:44:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:44:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:44:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:44:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:44:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:44:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2020-11-07 04:44:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 754 [2020-11-07 04:44:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:44:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 339 proven. 30 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-11-07 04:44:36,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349745496] [2020-11-07 04:44:36,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:44:36,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:44:36,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744205723] [2020-11-07 04:44:36,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:44:36,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:44:36,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:44:36,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:44:36,940 INFO L87 Difference]: Start difference. First operand 3005 states and 3230 transitions. Second operand 19 states. [2020-11-07 04:44:38,806 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:44:40,530 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:45,592 WARN L194 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:46,997 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:44:48,364 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 222 DAG size of output: 211 [2020-11-07 04:44:50,695 WARN L194 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:44:51,553 WARN L194 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:44:52,307 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:44:53,058 WARN L194 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:53,813 WARN L194 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:44:54,526 WARN L194 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:44:57,026 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:44:59,418 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-11-07 04:45:00,935 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 224 DAG size of output: 223 [2020-11-07 04:45:02,374 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:45:03,859 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2020-11-07 04:45:05,309 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:45:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:45:08,400 INFO L93 Difference]: Finished difference Result 4895 states and 5457 transitions. [2020-11-07 04:45:08,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-11-07 04:45:08,401 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 768 [2020-11-07 04:45:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:45:08,405 INFO L225 Difference]: With dead ends: 4895 [2020-11-07 04:45:08,405 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:45:08,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 195 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2105 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=1227, Invalid=5415, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:45:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:45:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:45:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:45:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:45:08,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 768 [2020-11-07 04:45:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:45:08,420 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:45:08,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:45:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:45:08,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:45:08,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:45:08,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:45:08,811 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 250 [2020-11-07 04:45:09,128 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 216 [2020-11-07 04:45:09,571 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:45:09,685 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:45:10,962 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:45:11,223 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 249 [2020-11-07 04:45:11,688 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-11-07 04:45:11,883 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 257 [2020-11-07 04:45:12,249 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-11-07 04:45:13,202 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-11-07 04:45:13,462 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 264 [2020-11-07 04:45:13,971 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-11-07 04:45:14,187 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:45:15,210 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:45:15,634 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-11-07 04:45:16,517 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:45:16,996 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:45:17,759 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 283 [2020-11-07 04:45:22,701 WARN L194 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-11-07 04:45:28,256 WARN L194 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-11-07 04:45:28,503 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:45:29,120 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:45:29,861 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 274 [2020-11-07 04:45:30,462 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-11-07 04:45:30,679 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 236 [2020-11-07 04:45:30,789 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2020-11-07 04:45:31,253 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-11-07 04:45:31,894 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:45:32,001 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-11-07 04:45:32,689 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 275 [2020-11-07 04:45:33,320 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2020-11-07 04:45:34,127 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-11-07 04:45:34,564 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-07 04:45:38,248 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:45:39,332 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-11-07 04:45:40,251 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:45:46,728 WARN L194 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-11-07 04:45:55,027 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:46:00,640 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-11-07 04:46:02,281 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:46:02,442 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:46:02,947 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:03,177 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:03,504 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:03,801 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:04,026 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:04,192 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:46:04,356 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:46:11,160 WARN L194 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 937 DAG size of output: 755 [2020-11-07 04:46:11,515 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:46:11,674 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:46:13,347 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:46:13,609 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:46:13,930 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:14,110 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:14,378 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:14,572 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:15,045 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:15,223 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:15,878 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 270 [2020-11-07 04:46:16,422 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:46:16,623 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:46:17,374 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:17,557 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:17,873 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:18,059 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:46:18,220 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:46:18,455 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:18,636 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:46:24,928 WARN L194 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-11-07 04:46:25,306 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-11-07 04:46:31,446 WARN L194 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-11-07 04:46:32,077 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 258 [2020-11-07 04:46:32,624 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-11-07 04:46:32,820 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-11-07 04:46:33,971 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 274 [2020-11-07 04:46:35,082 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:46:37,577 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-11-07 04:46:37,852 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 266 [2020-11-07 04:46:38,020 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:46:38,608 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 261 [2020-11-07 04:46:38,716 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:46:39,785 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:46:40,418 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 274 [2020-11-07 04:46:40,691 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 266 [2020-11-07 04:46:41,408 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 261 [2020-11-07 04:46:41,516 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:46:44,284 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-11-07 04:46:44,878 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-11-07 04:46:45,597 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-11-07 04:46:46,403 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-11-07 04:46:51,985 WARN L194 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-11-07 04:46:59,360 WARN L194 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-11-07 04:47:02,156 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:47:05,182 WARN L194 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 671 DAG size of output: 531 [2020-11-07 04:47:07,947 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:47:09,288 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:47:09,836 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 234 [2020-11-07 04:47:10,296 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-11-07 04:47:11,326 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 274 [2020-11-07 04:47:11,872 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 250 [2020-11-07 04:47:12,960 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 275 [2020-11-07 04:47:13,071 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 272 [2020-11-07 04:47:14,209 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:47:14,842 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-11-07 04:47:22,004 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-11-07 04:47:27,282 WARN L194 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 885 DAG size of output: 693 [2020-11-07 04:47:27,535 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-11-07 04:47:28,083 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:47:28,290 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:47:29,051 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:29,231 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:29,545 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:29,730 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:47:29,905 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:47:30,148 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:30,332 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:34,524 WARN L194 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:47:37,644 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:47:38,713 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:47:39,198 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:39,841 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 256 [2020-11-07 04:47:40,095 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2020-11-07 04:47:40,694 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 250 [2020-11-07 04:47:41,513 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:47:41,715 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:47:42,470 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:42,667 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:42,987 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:43,173 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:47:43,342 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:47:43,584 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:43,767 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:47,784 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 270 [2020-11-07 04:47:48,025 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 230 [2020-11-07 04:47:48,637 WARN L194 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:47:49,303 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 257 [2020-11-07 04:47:50,052 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:47:56,357 WARN L194 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 915 DAG size of output: 718 [2020-11-07 04:47:59,262 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:48:02,177 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 759 DAG size of output: 580 [2020-11-07 04:48:08,036 WARN L194 SmtUtils]: Spent 5.67 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-11-07 04:48:13,632 WARN L194 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-11-07 04:48:19,238 WARN L194 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 908 DAG size of output: 720 [2020-11-07 04:48:19,609 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:48:20,053 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 250 [2020-11-07 04:48:20,750 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 276 [2020-11-07 04:48:21,374 WARN L194 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 262 [2020-11-07 04:48:22,021 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:48:22,125 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-11-07 04:48:22,806 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 275 [2020-11-07 04:48:23,442 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 282 [2020-11-07 04:48:24,277 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 280 [2020-11-07 04:48:28,307 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 252 DAG size of output: 34 [2020-11-07 04:48:30,679 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 231 DAG size of output: 32 [2020-11-07 04:48:31,441 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:48:31,913 WARN L194 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:48:32,511 WARN L194 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:33,160 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-11-07 04:48:35,433 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:48:36,043 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:36,641 WARN L194 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:37,284 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:39,506 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:48:41,347 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 279 DAG size of output: 30 [2020-11-07 04:48:41,727 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-11-07 04:48:44,217 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 387 DAG size of output: 1 [2020-11-07 04:48:46,500 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-11-07 04:48:47,113 WARN L194 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:47,768 WARN L194 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-11-07 04:48:56,038 WARN L194 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-11-07 04:48:57,545 WARN L194 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:49:06,561 WARN L194 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-11-07 04:49:12,023 WARN L194 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 425 DAG size of output: 39 [2020-11-07 04:49:19,324 WARN L194 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 415 DAG size of output: 35 [2020-11-07 04:49:20,895 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 227 DAG size of output: 24 [2020-11-07 04:49:21,214 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-11-07 04:49:22,711 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:49:27,015 WARN L194 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 220 DAG size of output: 38 [2020-11-07 04:49:27,721 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-11-07 04:49:28,394 WARN L194 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-11-07 04:49:30,928 WARN L194 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-11-07 04:49:33,430 WARN L194 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-11-07 04:49:34,147 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-11-07 04:49:34,463 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-11-07 04:49:35,187 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 1 [2020-11-07 04:49:35,935 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:49:38,103 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 205 DAG size of output: 59 [2020-11-07 04:49:39,506 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 220 DAG size of output: 17 [2020-11-07 04:49:41,298 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 224 DAG size of output: 49 [2020-11-07 04:49:41,557 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 14 [2020-11-07 04:49:43,470 WARN L194 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 217 DAG size of output: 55 [2020-11-07 04:49:44,214 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-11-07 04:49:46,086 WARN L194 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-11-07 04:49:47,502 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 220 DAG size of output: 17 [2020-11-07 04:49:48,968 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-11-07 04:49:58,043 WARN L194 SmtUtils]: Spent 9.05 s on a formula simplification. DAG size of input: 586 DAG size of output: 38 [2020-11-07 04:50:00,468 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-11-07 04:50:01,945 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 200 DAG size of output: 39 [2020-11-07 04:50:02,717 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-11-07 04:50:03,169 WARN L194 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 1 [2020-11-07 04:50:04,432 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 215 DAG size of output: 33 [2020-11-07 04:50:07,201 WARN L194 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 239 DAG size of output: 37 [2020-11-07 04:50:08,626 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 222 DAG size of output: 20 [2020-11-07 04:50:10,155 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:50:12,936 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-11-07 04:50:15,802 WARN L194 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 237 DAG size of output: 34 [2020-11-07 04:50:16,968 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-11-07 04:50:19,577 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 229 DAG size of output: 32 [2020-11-07 04:50:19,938 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-11-07 04:50:22,524 WARN L194 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 247 DAG size of output: 41 [2020-11-07 04:50:22,899 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-11-07 04:50:27,864 WARN L194 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 427 DAG size of output: 38 [2020-11-07 04:50:30,265 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 211 DAG size of output: 32 [2020-11-07 04:50:30,665 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-11-07 04:50:39,059 WARN L194 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 557 DAG size of output: 38 [2020-11-07 04:50:40,339 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 215 DAG size of output: 33 [2020-11-07 04:50:41,723 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 232 DAG size of output: 40 [2020-11-07 04:50:43,298 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:50:48,442 WARN L194 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 341 DAG size of output: 37 [2020-11-07 04:51:01,007 WARN L194 SmtUtils]: Spent 12.55 s on a formula simplification. DAG size of input: 625 DAG size of output: 36 [2020-11-07 04:51:02,296 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 174 DAG size of output: 14 [2020-11-07 04:51:08,246 WARN L194 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 377 DAG size of output: 44