/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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:11:51,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:11:51,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:11:52,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:11:52,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:11:52,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:11:52,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:11:52,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:11:52,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:11:52,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:11:52,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:11:52,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:11:52,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:11:52,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:11:52,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:11:52,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:11:52,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:11:52,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:11:52,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:11:52,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:11:52,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:11:52,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:11:52,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:11:52,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:11:52,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:11:52,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:11:52,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:11:52,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:11:52,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:11:52,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:11:52,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:11:52,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:11:52,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:11:52,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:11:52,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:11:52,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:11:52,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:11:52,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:11:52,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:11:52,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:11:52,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:11:52,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:11:52,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:11:52,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:11:52,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:11:52,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:11:52,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:11:52,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:11:52,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:11:52,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:11:52,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:11:52,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:11:52,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:11:52,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:11:52,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:11:52,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:11:52,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:11:52,090 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:11:52,090 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:11:52,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:11:52,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:52,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:11:52,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:11:52,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:11:52,092 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:11:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:11:52,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:11:52,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:11:52,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:11:52,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:11:52,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-10-24 00:11:52,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba61c4203/c5f8e0641d78423f8da1e544381910b1/FLAG11c174363 [2020-10-24 00:11:53,363 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:11:53,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-10-24 00:11:53,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba61c4203/c5f8e0641d78423f8da1e544381910b1/FLAG11c174363 [2020-10-24 00:11:53,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba61c4203/c5f8e0641d78423f8da1e544381910b1 [2020-10-24 00:11:53,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:11:53,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:11:53,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:53,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:11:53,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:11:53,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:53" (1/1) ... [2020-10-24 00:11:53,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d29fcf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:53, skipping insertion in model container [2020-10-24 00:11:53,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:11:53" (1/1) ... [2020-10-24 00:11:53,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:11:53,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:11:54,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:54,145 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:11:54,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:11:54,310 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:11:54,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54 WrapperNode [2020-10-24 00:11:54,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:11:54,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:11:54,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:11:54,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:11:54,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... [2020-10-24 00:11:54,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:11:54,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:11:54,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:11:54,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:11:54,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:11:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:11:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:11:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:11:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:11:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:11:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:11:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:11:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:11:54,505 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:11:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:11:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:11:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:11:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:11:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:11:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:11:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:11:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:11:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:11:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:11:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:11:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:11:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:11:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:11:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:11:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:11:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:11:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:11:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:11:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:11:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:11:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:11:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:11:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:11:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:11:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:11:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:11:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:11:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:11:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:11:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:11:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:11:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:11:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:11:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:11:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:11:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:11:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:11:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:11:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:11:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:11:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:11:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:11:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:11:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:11:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:11:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:11:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:11:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:11:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:11:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:11:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:11:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:11:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:11:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:11:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:11:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:11:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:11:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:11:55,921 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:11:55,922 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:11:55,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:55 BoogieIcfgContainer [2020-10-24 00:11:55,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:11:55,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:11:55,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:11:55,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:11:55,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:11:53" (1/3) ... [2020-10-24 00:11:55,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13332764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:55, skipping insertion in model container [2020-10-24 00:11:55,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:11:54" (2/3) ... [2020-10-24 00:11:55,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13332764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:11:55, skipping insertion in model container [2020-10-24 00:11:55,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:11:55" (3/3) ... [2020-10-24 00:11:55,939 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-10-24 00:11:55,951 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:11:55,957 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:11:55,970 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:11:55,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:11:55,998 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:11:55,998 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:11:55,998 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:11:55,998 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:11:55,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:11:55,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:11:55,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:11:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-10-24 00:11:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:11:56,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:56,048 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:11:56,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:56,055 INFO L82 PathProgramCache]: Analyzing trace with hash -302652600, now seen corresponding path program 1 times [2020-10-24 00:11:56,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:56,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300871752] [2020-10-24 00:11:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,010 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:57,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:11:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:11:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:11:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:57,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300871752] [2020-10-24 00:11:57,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:57,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:11:57,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391092583] [2020-10-24 00:11:57,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:11:57,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:57,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:11:57,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:57,277 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-10-24 00:11:58,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:11:58,787 INFO L93 Difference]: Finished difference Result 520 states and 611 transitions. [2020-10-24 00:11:58,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:11:58,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:11:58,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:11:58,807 INFO L225 Difference]: With dead ends: 520 [2020-10-24 00:11:58,807 INFO L226 Difference]: Without dead ends: 327 [2020-10-24 00:11:58,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:11:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-10-24 00:11:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 280. [2020-10-24 00:11:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-24 00:11:58,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 305 transitions. [2020-10-24 00:11:58,976 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 305 transitions. Word has length 166 [2020-10-24 00:11:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:11:58,977 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 305 transitions. [2020-10-24 00:11:58,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:11:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 305 transitions. [2020-10-24 00:11:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:11:58,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:11:58,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:11:58,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:11:58,983 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:11:58,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:11:58,984 INFO L82 PathProgramCache]: Analyzing trace with hash -263167836, now seen corresponding path program 1 times [2020-10-24 00:11:58,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:11:58,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331090527] [2020-10-24 00:11:58,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:11:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,456 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:11:59,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:11:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:11:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:11:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:11:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:11:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:11:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:11:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:11:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:11:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:11:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:11:59,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331090527] [2020-10-24 00:11:59,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:11:59,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:11:59,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998779061] [2020-10-24 00:11:59,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:11:59,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:11:59,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:11:59,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:11:59,606 INFO L87 Difference]: Start difference. First operand 280 states and 305 transitions. Second operand 5 states. [2020-10-24 00:12:00,346 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:01,429 INFO L93 Difference]: Finished difference Result 440 states and 495 transitions. [2020-10-24 00:12:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:12:01,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:12:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:01,434 INFO L225 Difference]: With dead ends: 440 [2020-10-24 00:12:01,435 INFO L226 Difference]: Without dead ends: 316 [2020-10-24 00:12:01,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:12:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-10-24 00:12:01,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 270. [2020-10-24 00:12:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-24 00:12:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions. [2020-10-24 00:12:01,594 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 167 [2020-10-24 00:12:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:01,595 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions. [2020-10-24 00:12:01,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:12:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions. [2020-10-24 00:12:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 00:12:01,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:01,599 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] [2020-10-24 00:12:01,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:12:01,599 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:01,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:01,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1009077739, now seen corresponding path program 1 times [2020-10-24 00:12:01,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:01,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781478410] [2020-10-24 00:12:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:01,995 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:01,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:12:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-24 00:12:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:02,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781478410] [2020-10-24 00:12:02,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:02,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:02,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865458989] [2020-10-24 00:12:02,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:02,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:02,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:02,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:02,229 INFO L87 Difference]: Start difference. First operand 270 states and 292 transitions. Second operand 10 states. [2020-10-24 00:12:02,831 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:03,192 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:03,480 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:03,821 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:04,112 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:04,407 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:05,633 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:07,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:07,773 INFO L93 Difference]: Finished difference Result 712 states and 817 transitions. [2020-10-24 00:12:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:12:07,774 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-24 00:12:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:07,780 INFO L225 Difference]: With dead ends: 712 [2020-10-24 00:12:07,781 INFO L226 Difference]: Without dead ends: 562 [2020-10-24 00:12:07,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:12:07,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-10-24 00:12:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 491. [2020-10-24 00:12:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-10-24 00:12:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 551 transitions. [2020-10-24 00:12:08,014 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 551 transitions. Word has length 176 [2020-10-24 00:12:08,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:08,015 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 551 transitions. [2020-10-24 00:12:08,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 551 transitions. [2020-10-24 00:12:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-24 00:12:08,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:08,020 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:08,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:12:08,020 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:08,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash 2063743210, now seen corresponding path program 1 times [2020-10-24 00:12:08,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:08,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724961678] [2020-10-24 00:12:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,411 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:08,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:12:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:12:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-24 00:12:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:12:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:12:08,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724961678] [2020-10-24 00:12:08,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:08,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:08,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766062065] [2020-10-24 00:12:08,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:08,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:08,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:08,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:08,592 INFO L87 Difference]: Start difference. First operand 491 states and 551 transitions. Second operand 10 states. [2020-10-24 00:12:09,131 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:09,982 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:10,292 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:11,470 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:11,811 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:12,156 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:12,543 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:12,852 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:13,130 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:13,950 INFO L93 Difference]: Finished difference Result 1119 states and 1340 transitions. [2020-10-24 00:12:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:12:13,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-10-24 00:12:13,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:13,963 INFO L225 Difference]: With dead ends: 1119 [2020-10-24 00:12:13,963 INFO L226 Difference]: Without dead ends: 748 [2020-10-24 00:12:13,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:12:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-24 00:12:14,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 659. [2020-10-24 00:12:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-10-24 00:12:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 743 transitions. [2020-10-24 00:12:14,304 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 743 transitions. Word has length 185 [2020-10-24 00:12:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:14,305 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 743 transitions. [2020-10-24 00:12:14,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 743 transitions. [2020-10-24 00:12:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-24 00:12:14,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:14,309 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] [2020-10-24 00:12:14,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:12:14,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:14,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:14,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1341688644, now seen corresponding path program 1 times [2020-10-24 00:12:14,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:14,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958730618] [2020-10-24 00:12:14,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,626 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:14,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 00:12:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:12:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:14,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958730618] [2020-10-24 00:12:14,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:14,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 00:12:14,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092475402] [2020-10-24 00:12:14,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:12:14,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:12:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:12:14,907 INFO L87 Difference]: Start difference. First operand 659 states and 743 transitions. Second operand 13 states. [2020-10-24 00:12:15,517 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:15,805 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:16,127 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:16,438 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:16,702 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:17,744 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:18,033 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:18,338 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:18,660 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:18,946 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:20,209 INFO L93 Difference]: Finished difference Result 1339 states and 1599 transitions. [2020-10-24 00:12:20,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:12:20,212 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-10-24 00:12:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:20,218 INFO L225 Difference]: With dead ends: 1339 [2020-10-24 00:12:20,219 INFO L226 Difference]: Without dead ends: 800 [2020-10-24 00:12:20,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:12:20,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-24 00:12:20,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 674. [2020-10-24 00:12:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-10-24 00:12:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 759 transitions. [2020-10-24 00:12:20,577 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 759 transitions. Word has length 214 [2020-10-24 00:12:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:20,579 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 759 transitions. [2020-10-24 00:12:20,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:12:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 759 transitions. [2020-10-24 00:12:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-24 00:12:20,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:20,583 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] [2020-10-24 00:12:20,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:12:20,584 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:20,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:20,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1755320036, now seen corresponding path program 1 times [2020-10-24 00:12:20,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:20,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325128830] [2020-10-24 00:12:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,880 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:21,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:21,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:21,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 00:12:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:21,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:12:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:21,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325128830] [2020-10-24 00:12:21,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:21,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:21,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234003830] [2020-10-24 00:12:21,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:21,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:21,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:21,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:21,086 INFO L87 Difference]: Start difference. First operand 674 states and 759 transitions. Second operand 10 states. [2020-10-24 00:12:22,516 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:22,814 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:23,128 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:23,431 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:23,739 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:24,006 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:24,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:24,980 INFO L93 Difference]: Finished difference Result 1360 states and 1600 transitions. [2020-10-24 00:12:24,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:12:24,981 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2020-10-24 00:12:24,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:24,987 INFO L225 Difference]: With dead ends: 1360 [2020-10-24 00:12:24,988 INFO L226 Difference]: Without dead ends: 806 [2020-10-24 00:12:24,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:12:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-10-24 00:12:25,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 690. [2020-10-24 00:12:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-24 00:12:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 775 transitions. [2020-10-24 00:12:25,353 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 775 transitions. Word has length 214 [2020-10-24 00:12:25,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:25,354 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 775 transitions. [2020-10-24 00:12:25,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 775 transitions. [2020-10-24 00:12:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-24 00:12:25,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:25,359 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] [2020-10-24 00:12:25,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:12:25,359 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:25,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:25,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1411206753, now seen corresponding path program 1 times [2020-10-24 00:12:25,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:25,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821937011] [2020-10-24 00:12:25,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,672 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-24 00:12:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-24 00:12:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:25,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821937011] [2020-10-24 00:12:25,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:25,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:12:25,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204120254] [2020-10-24 00:12:25,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:12:25,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:25,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:12:25,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:12:25,915 INFO L87 Difference]: Start difference. First operand 690 states and 775 transitions. Second operand 7 states. [2020-10-24 00:12:26,409 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:27,080 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:29,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:29,609 INFO L93 Difference]: Finished difference Result 2061 states and 2470 transitions. [2020-10-24 00:12:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:12:29,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-24 00:12:29,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:29,619 INFO L225 Difference]: With dead ends: 2061 [2020-10-24 00:12:29,619 INFO L226 Difference]: Without dead ends: 1491 [2020-10-24 00:12:29,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:12:29,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-10-24 00:12:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1366. [2020-10-24 00:12:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2020-10-24 00:12:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1560 transitions. [2020-10-24 00:12:30,176 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1560 transitions. Word has length 214 [2020-10-24 00:12:30,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:30,176 INFO L481 AbstractCegarLoop]: Abstraction has 1366 states and 1560 transitions. [2020-10-24 00:12:30,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:12:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1560 transitions. [2020-10-24 00:12:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 00:12:30,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:30,181 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] [2020-10-24 00:12:30,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:12:30,182 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:30,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:30,183 INFO L82 PathProgramCache]: Analyzing trace with hash -578365122, now seen corresponding path program 1 times [2020-10-24 00:12:30,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:30,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484873997] [2020-10-24 00:12:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,587 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:30,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:12:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:12:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-24 00:12:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-24 00:12:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:30,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484873997] [2020-10-24 00:12:30,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:30,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:12:30,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976632179] [2020-10-24 00:12:30,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:12:30,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:30,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:12:30,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:12:30,905 INFO L87 Difference]: Start difference. First operand 1366 states and 1560 transitions. Second operand 14 states. [2020-10-24 00:12:31,750 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:12:32,609 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:33,809 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:12:34,360 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:12:34,782 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:35,080 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:35,616 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:12:35,947 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:36,295 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:36,612 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:39,291 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:12:39,897 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:40,196 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:40,627 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:41,728 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:12:42,355 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:12:42,931 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:12:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:43,721 INFO L93 Difference]: Finished difference Result 3904 states and 4692 transitions. [2020-10-24 00:12:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:12:43,730 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2020-10-24 00:12:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:43,748 INFO L225 Difference]: With dead ends: 3904 [2020-10-24 00:12:43,748 INFO L226 Difference]: Without dead ends: 2935 [2020-10-24 00:12:43,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:12:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2020-10-24 00:12:44,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2499. [2020-10-24 00:12:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2020-10-24 00:12:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 2835 transitions. [2020-10-24 00:12:44,898 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 2835 transitions. Word has length 219 [2020-10-24 00:12:44,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:44,899 INFO L481 AbstractCegarLoop]: Abstraction has 2499 states and 2835 transitions. [2020-10-24 00:12:44,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:12:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2835 transitions. [2020-10-24 00:12:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-24 00:12:44,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:44,907 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:12:44,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:12:44,907 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:12:44,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:44,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1140372569, now seen corresponding path program 1 times [2020-10-24 00:12:44,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:44,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386179188] [2020-10-24 00:12:44,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,241 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:12:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:12:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:12:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-24 00:12:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-24 00:12:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-24 00:12:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:12:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:12:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-24 00:12:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-10-24 00:12:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 00:12:45,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386179188] [2020-10-24 00:12:45,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:12:45,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:12:45,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410882439] [2020-10-24 00:12:45,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:12:45,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:45,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:12:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:12:45,804 INFO L87 Difference]: Start difference. First operand 2499 states and 2835 transitions. Second operand 18 states. [2020-10-24 00:12:46,561 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:46,859 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:47,137 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:47,417 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:47,728 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:48,668 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:12:48,992 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:49,339 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:12:49,722 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:50,111 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:50,599 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:12:50,983 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:12:51,320 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:12:52,700 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:53,807 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:12:54,374 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:12:54,937 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:12:55,434 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:56,170 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:56,785 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:12:57,121 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:12:57,780 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:12:58,417 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:12:59,186 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-10-24 00:12:59,645 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:00,231 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:13:01,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:01,651 INFO L93 Difference]: Finished difference Result 5310 states and 6155 transitions. [2020-10-24 00:13:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-24 00:13:01,652 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2020-10-24 00:13:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:01,669 INFO L225 Difference]: With dead ends: 5310 [2020-10-24 00:13:01,669 INFO L226 Difference]: Without dead ends: 3193 [2020-10-24 00:13:01,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-10-24 00:13:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2020-10-24 00:13:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2905. [2020-10-24 00:13:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2905 states. [2020-10-24 00:13:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 3244 transitions. [2020-10-24 00:13:03,067 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 3244 transitions. Word has length 301 [2020-10-24 00:13:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:03,068 INFO L481 AbstractCegarLoop]: Abstraction has 2905 states and 3244 transitions. [2020-10-24 00:13:03,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:13:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3244 transitions. [2020-10-24 00:13:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-10-24 00:13:03,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:03,086 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:03,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:13:03,086 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:03,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:03,087 INFO L82 PathProgramCache]: Analyzing trace with hash -564150096, now seen corresponding path program 1 times [2020-10-24 00:13:03,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:03,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544849467] [2020-10-24 00:13:03,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,437 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:03,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-10-24 00:13:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-10-24 00:13:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-10-24 00:13:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-10-24 00:13:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:03,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-24 00:13:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-10-24 00:13:04,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544849467] [2020-10-24 00:13:04,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:04,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:13:04,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840831535] [2020-10-24 00:13:04,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:13:04,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:04,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:13:04,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:13:04,066 INFO L87 Difference]: Start difference. First operand 2905 states and 3244 transitions. Second operand 16 states. [2020-10-24 00:13:04,614 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:05,698 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:09,461 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:09,826 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:10,198 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:10,552 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:10,882 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:11,184 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:11,468 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:11,774 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:12,089 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:12,400 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:12,707 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:13,053 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:13,616 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:13:13,932 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:14,469 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:13:14,792 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:15,135 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:13:15,453 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:17,914 INFO L93 Difference]: Finished difference Result 8291 states and 9428 transitions. [2020-10-24 00:13:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-24 00:13:17,918 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 463 [2020-10-24 00:13:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:17,950 INFO L225 Difference]: With dead ends: 8291 [2020-10-24 00:13:17,950 INFO L226 Difference]: Without dead ends: 5519 [2020-10-24 00:13:17,962 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-10-24 00:13:17,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2020-10-24 00:13:20,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 5321. [2020-10-24 00:13:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2020-10-24 00:13:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 5884 transitions. [2020-10-24 00:13:20,344 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 5884 transitions. Word has length 463 [2020-10-24 00:13:20,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:20,345 INFO L481 AbstractCegarLoop]: Abstraction has 5321 states and 5884 transitions. [2020-10-24 00:13:20,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:13:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 5884 transitions. [2020-10-24 00:13:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-24 00:13:20,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:20,369 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:20,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:13:20,369 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:20,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:20,370 INFO L82 PathProgramCache]: Analyzing trace with hash 80487429, now seen corresponding path program 1 times [2020-10-24 00:13:20,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:20,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744235341] [2020-10-24 00:13:20,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,725 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:13:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:13:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:13:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-24 00:13:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-10-24 00:13:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:13:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 111 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-24 00:13:21,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744235341] [2020-10-24 00:13:21,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:21,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:13:21,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106566558] [2020-10-24 00:13:21,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:13:21,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:21,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:13:21,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:13:21,508 INFO L87 Difference]: Start difference. First operand 5321 states and 5884 transitions. Second operand 22 states. [2020-10-24 00:13:22,157 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:22,552 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:22,845 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:23,136 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:23,428 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:23,706 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:24,606 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:29,055 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:29,377 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:29,706 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:30,017 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:30,321 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:30,630 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:30,922 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:31,235 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:31,611 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:31,964 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:32,270 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:32,590 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:33,180 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:33,788 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:13:34,339 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:37,277 INFO L93 Difference]: Finished difference Result 10329 states and 11679 transitions. [2020-10-24 00:13:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:13:37,278 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 468 [2020-10-24 00:13:37,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:37,308 INFO L225 Difference]: With dead ends: 10329 [2020-10-24 00:13:37,308 INFO L226 Difference]: Without dead ends: 5693 [2020-10-24 00:13:37,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-10-24 00:13:37,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2020-10-24 00:13:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5033. [2020-10-24 00:13:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5033 states. [2020-10-24 00:13:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 5556 transitions. [2020-10-24 00:13:39,670 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 5556 transitions. Word has length 468 [2020-10-24 00:13:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:39,671 INFO L481 AbstractCegarLoop]: Abstraction has 5033 states and 5556 transitions. [2020-10-24 00:13:39,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:13:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 5556 transitions. [2020-10-24 00:13:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-10-24 00:13:39,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:39,686 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:39,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:13:39,687 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:39,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:39,687 INFO L82 PathProgramCache]: Analyzing trace with hash -488458983, now seen corresponding path program 2 times [2020-10-24 00:13:39,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:39,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392181541] [2020-10-24 00:13:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,008 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:40,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-10-24 00:13:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:13:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-24 00:13:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-10-24 00:13:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:13:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-24 00:13:40,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392181541] [2020-10-24 00:13:40,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:40,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:13:40,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072524023] [2020-10-24 00:13:40,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:13:40,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:40,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:13:40,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:13:40,639 INFO L87 Difference]: Start difference. First operand 5033 states and 5556 transitions. Second operand 17 states. [2020-10-24 00:13:42,612 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:42,901 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:43,218 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:43,545 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:43,837 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:44,121 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:45,529 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:45,925 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:51,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:51,479 INFO L93 Difference]: Finished difference Result 14604 states and 16920 transitions. [2020-10-24 00:13:51,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-24 00:13:51,480 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 468 [2020-10-24 00:13:51,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:51,529 INFO L225 Difference]: With dead ends: 14604 [2020-10-24 00:13:51,529 INFO L226 Difference]: Without dead ends: 8753 [2020-10-24 00:13:51,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 108 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-10-24 00:13:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2020-10-24 00:13:54,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 6817. [2020-10-24 00:13:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6817 states. [2020-10-24 00:13:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6817 states to 6817 states and 7656 transitions. [2020-10-24 00:13:54,841 INFO L78 Accepts]: Start accepts. Automaton has 6817 states and 7656 transitions. Word has length 468 [2020-10-24 00:13:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:54,842 INFO L481 AbstractCegarLoop]: Abstraction has 6817 states and 7656 transitions. [2020-10-24 00:13:54,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:13:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6817 states and 7656 transitions. [2020-10-24 00:13:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2020-10-24 00:13:54,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:54,860 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:54,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:13:54,860 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:13:54,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:54,861 INFO L82 PathProgramCache]: Analyzing trace with hash -197885312, now seen corresponding path program 1 times [2020-10-24 00:13:54,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:54,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781897485] [2020-10-24 00:13:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,183 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:13:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:13:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:13:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:13:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-10-24 00:13:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-10-24 00:13:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:13:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:13:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-10-24 00:13:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-10-24 00:13:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-10-24 00:13:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-10-24 00:13:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 128 proven. 39 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-10-24 00:13:55,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781897485] [2020-10-24 00:13:55,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:55,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:13:55,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085966466] [2020-10-24 00:13:55,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:13:55,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:55,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:13:55,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:13:55,880 INFO L87 Difference]: Start difference. First operand 6817 states and 7656 transitions. Second operand 19 states. [2020-10-24 00:13:56,450 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:56,840 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:57,139 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:57,431 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:57,721 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:58,001 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:58,870 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:59,177 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:00,895 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:01,508 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:01,825 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:02,121 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:02,844 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:03,163 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:04,323 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:04,688 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:04,966 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:14:07,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:07,820 INFO L93 Difference]: Finished difference Result 13695 states and 15783 transitions. [2020-10-24 00:14:07,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-24 00:14:07,820 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 478 [2020-10-24 00:14:07,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:07,852 INFO L225 Difference]: With dead ends: 13695 [2020-10-24 00:14:07,852 INFO L226 Difference]: Without dead ends: 7563 [2020-10-24 00:14:07,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2020-10-24 00:14:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7563 states. [2020-10-24 00:14:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7563 to 6629. [2020-10-24 00:14:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2020-10-24 00:14:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 7400 transitions. [2020-10-24 00:14:11,100 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 7400 transitions. Word has length 478 [2020-10-24 00:14:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:11,101 INFO L481 AbstractCegarLoop]: Abstraction has 6629 states and 7400 transitions. [2020-10-24 00:14:11,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:14:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 7400 transitions. [2020-10-24 00:14:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-10-24 00:14:11,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:11,117 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:11,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:14:11,117 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:11,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:11,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1339822656, now seen corresponding path program 1 times [2020-10-24 00:14:11,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:11,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144887410] [2020-10-24 00:14:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,444 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:11,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:14:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:14:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:14:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-10-24 00:14:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:14:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-10-24 00:14:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-10-24 00:14:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 138 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-24 00:14:12,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144887410] [2020-10-24 00:14:12,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:12,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:14:12,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459067160] [2020-10-24 00:14:12,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:14:12,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:12,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:14:12,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:14:12,104 INFO L87 Difference]: Start difference. First operand 6629 states and 7400 transitions. Second operand 18 states. [2020-10-24 00:14:12,700 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:14,530 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:14,843 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:15,420 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:16,010 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:14:16,290 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:16,820 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:14:17,110 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:17,458 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:17,837 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:18,145 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:18,436 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:20,026 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:20,345 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:27,410 INFO L93 Difference]: Finished difference Result 13910 states and 16179 transitions. [2020-10-24 00:14:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:14:27,417 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 479 [2020-10-24 00:14:27,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:27,466 INFO L225 Difference]: With dead ends: 13910 [2020-10-24 00:14:27,466 INFO L226 Difference]: Without dead ends: 9898 [2020-10-24 00:14:27,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 122 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-10-24 00:14:27,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9898 states. [2020-10-24 00:14:31,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9898 to 7878. [2020-10-24 00:14:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7878 states. [2020-10-24 00:14:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 8759 transitions. [2020-10-24 00:14:31,239 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 8759 transitions. Word has length 479 [2020-10-24 00:14:31,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:31,240 INFO L481 AbstractCegarLoop]: Abstraction has 7878 states and 8759 transitions. [2020-10-24 00:14:31,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:14:31,241 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 8759 transitions. [2020-10-24 00:14:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-10-24 00:14:31,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:31,256 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:31,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:14:31,256 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:14:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash 712339044, now seen corresponding path program 1 times [2020-10-24 00:14:31,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:31,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965136604] [2020-10-24 00:14:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,589 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:31,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:14:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:14:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:14:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:14:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:14:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-10-24 00:14:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-10-24 00:14:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-10-24 00:14:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-24 00:14:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-24 00:14:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-10-24 00:14:32,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965136604] [2020-10-24 00:14:32,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:32,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:14:32,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857053423] [2020-10-24 00:14:32,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:14:32,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:32,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:14:32,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:14:32,207 INFO L87 Difference]: Start difference. First operand 7878 states and 8759 transitions. Second operand 18 states. [2020-10-24 00:14:32,793 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:34,510 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:34,955 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:35,546 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:14:35,810 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:36,410 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:14:36,690 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:37,235 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:14:37,533 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:37,900 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:38,266 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:14:38,600 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:38,895 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:40,049 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:40,373 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:40,988 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:14:41,633 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:14:42,212 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:14:42,885 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:43,209 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:45,890 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:46,822 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:47,137 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:47,701 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:48,288 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:14:48,832 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:56,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:56,133 INFO L93 Difference]: Finished difference Result 18093 states and 21171 transitions. [2020-10-24 00:14:56,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-10-24 00:14:56,133 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 494 [2020-10-24 00:14:56,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:56,183 INFO L225 Difference]: With dead ends: 18093 [2020-10-24 00:14:56,183 INFO L226 Difference]: Without dead ends: 13361 [2020-10-24 00:14:56,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3019 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-10-24 00:14:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13361 states. [2020-10-24 00:15:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13361 to 9570. [2020-10-24 00:15:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9570 states. [2020-10-24 00:15:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 10597 transitions. [2020-10-24 00:15:00,824 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 10597 transitions. Word has length 494 [2020-10-24 00:15:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:00,825 INFO L481 AbstractCegarLoop]: Abstraction has 9570 states and 10597 transitions. [2020-10-24 00:15:00,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:15:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 10597 transitions. [2020-10-24 00:15:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2020-10-24 00:15:00,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:00,850 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:15:00,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:15:00,851 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash 620906132, now seen corresponding path program 1 times [2020-10-24 00:15:00,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:00,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019259704] [2020-10-24 00:15:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,169 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:01,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:15:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-10-24 00:15:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-10-24 00:15:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:15:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:15:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-10-24 00:15:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2020-10-24 00:15:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-10-24 00:15:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2020-10-24 00:15:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-10-24 00:15:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2020-10-24 00:15:01,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019259704] [2020-10-24 00:15:01,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:15:01,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:15:01,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206609592] [2020-10-24 00:15:01,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:15:01,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:01,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:15:01,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:15:01,571 INFO L87 Difference]: Start difference. First operand 9570 states and 10597 transitions. Second operand 11 states. [2020-10-24 00:15:02,126 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:03,006 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:08,080 INFO L93 Difference]: Finished difference Result 11858 states and 13425 transitions. [2020-10-24 00:15:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-24 00:15:08,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 601 [2020-10-24 00:15:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:08,095 INFO L225 Difference]: With dead ends: 11858 [2020-10-24 00:15:08,095 INFO L226 Difference]: Without dead ends: 4423 [2020-10-24 00:15:08,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-10-24 00:15:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2020-10-24 00:15:10,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 3965. [2020-10-24 00:15:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3965 states. [2020-10-24 00:15:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 3965 states and 4282 transitions. [2020-10-24 00:15:10,035 INFO L78 Accepts]: Start accepts. Automaton has 3965 states and 4282 transitions. Word has length 601 [2020-10-24 00:15:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:10,035 INFO L481 AbstractCegarLoop]: Abstraction has 3965 states and 4282 transitions. [2020-10-24 00:15:10,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:15:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3965 states and 4282 transitions. [2020-10-24 00:15:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-10-24 00:15:10,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:10,045 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:10,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:15:10,045 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:10,046 INFO L82 PathProgramCache]: Analyzing trace with hash 333880485, now seen corresponding path program 2 times [2020-10-24 00:15:10,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:10,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932930225] [2020-10-24 00:15:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,398 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-10-24 00:15:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:15:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:15:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-24 00:15:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-10-24 00:15:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-24 00:15:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-10-24 00:15:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 212 proven. 64 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-10-24 00:15:11,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932930225] [2020-10-24 00:15:11,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:11,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:15:11,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386233175] [2020-10-24 00:15:11,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:15:11,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:11,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:15:11,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:15:11,169 INFO L87 Difference]: Start difference. First operand 3965 states and 4282 transitions. Second operand 19 states. [2020-10-24 00:15:11,768 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:12,835 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:13,727 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:14,615 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:14,942 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:15,512 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:16,099 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:15:16,381 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:16,995 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:17,293 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:21,754 INFO L93 Difference]: Finished difference Result 6954 states and 7673 transitions. [2020-10-24 00:15:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-24 00:15:21,754 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 577 [2020-10-24 00:15:21,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:21,769 INFO L225 Difference]: With dead ends: 6954 [2020-10-24 00:15:21,769 INFO L226 Difference]: Without dead ends: 4382 [2020-10-24 00:15:21,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 146 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=622, Invalid=2348, Unknown=0, NotChecked=0, Total=2970 [2020-10-24 00:15:21,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2020-10-24 00:15:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 3766. [2020-10-24 00:15:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3766 states. [2020-10-24 00:15:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 4031 transitions. [2020-10-24 00:15:23,920 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 4031 transitions. Word has length 577 [2020-10-24 00:15:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:23,920 INFO L481 AbstractCegarLoop]: Abstraction has 3766 states and 4031 transitions. [2020-10-24 00:15:23,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4031 transitions. [2020-10-24 00:15:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-24 00:15:23,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:23,931 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:15:23,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:15:23,931 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:23,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:23,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1992063199, now seen corresponding path program 2 times [2020-10-24 00:15:23,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:23,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768371627] [2020-10-24 00:15:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,327 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:24,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-10-24 00:15:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-24 00:15:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-10-24 00:15:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-10-24 00:15:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-10-24 00:15:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-10-24 00:15:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-10-24 00:15:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:24,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-10-24 00:15:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-10-24 00:15:25,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768371627] [2020-10-24 00:15:25,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:25,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:15:25,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305423518] [2020-10-24 00:15:25,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:15:25,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:25,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:15:25,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:15:25,036 INFO L87 Difference]: Start difference. First operand 3766 states and 4031 transitions. Second operand 19 states. [2020-10-24 00:15:25,669 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:26,713 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:27,576 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:28,456 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:28,784 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:29,349 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:29,942 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:15:30,224 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:30,765 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:31,059 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:33,345 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:33,990 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:34,297 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:34,849 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:35,426 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:15:35,972 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:15:39,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:39,405 INFO L93 Difference]: Finished difference Result 7407 states and 8134 transitions. [2020-10-24 00:15:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-24 00:15:39,406 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 592 [2020-10-24 00:15:39,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:39,422 INFO L225 Difference]: With dead ends: 7407 [2020-10-24 00:15:39,422 INFO L226 Difference]: Without dead ends: 5034 [2020-10-24 00:15:39,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 163 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1131, Invalid=4271, Unknown=0, NotChecked=0, Total=5402 [2020-10-24 00:15:39,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5034 states. [2020-10-24 00:15:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5034 to 4237. [2020-10-24 00:15:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2020-10-24 00:15:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 4531 transitions. [2020-10-24 00:15:41,634 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 4531 transitions. Word has length 592 [2020-10-24 00:15:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:41,635 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 4531 transitions. [2020-10-24 00:15:41,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 4531 transitions. [2020-10-24 00:15:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-24 00:15:41,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:41,645 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 00:15:41,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:15:41,646 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:15:41,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:41,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1886705193, now seen corresponding path program 1 times [2020-10-24 00:15:41,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:41,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363685678] [2020-10-24 00:15:41,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,122 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:42,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-24 00:15:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-24 00:15:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-24 00:15:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-10-24 00:15:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-10-24 00:15:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-10-24 00:15:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:15:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-10-24 00:15:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-10-24 00:15:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-10-24 00:15:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-10-24 00:15:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:42,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-10-24 00:15:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 187 proven. 144 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-10-24 00:15:43,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363685678] [2020-10-24 00:15:43,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:43,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:15:43,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505546198] [2020-10-24 00:15:43,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:15:43,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:43,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:15:43,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:15:43,110 INFO L87 Difference]: Start difference. First operand 4237 states and 4531 transitions. Second operand 24 states. [2020-10-24 00:15:43,991 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:15:45,331 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:15:47,436 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:15:48,064 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:15:48,671 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:15:49,301 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:15:49,844 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:15:50,416 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:15:50,991 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:15:51,564 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:52,165 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:15:52,692 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:55,033 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-24 00:15:56,075 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:15:56,671 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-24 00:15:57,259 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:15:57,872 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-24 00:15:58,500 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:16:01,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:01,943 INFO L93 Difference]: Finished difference Result 7182 states and 7790 transitions. [2020-10-24 00:16:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-24 00:16:01,943 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 592 [2020-10-24 00:16:01,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:01,947 INFO L225 Difference]: With dead ends: 7182 [2020-10-24 00:16:01,947 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:16:01,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 151 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=801, Invalid=4749, Unknown=0, NotChecked=0, Total=5550 [2020-10-24 00:16:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:16:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:16:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:16:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:16:01,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 592 [2020-10-24 00:16:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:01,966 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:16:01,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:16:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:16:01,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:16:01,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:16:01,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:16:02,497 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-10-24 00:16:06,360 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:16:06,618 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-10-24 00:16:07,125 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:16:07,286 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:16:07,815 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 248 [2020-10-24 00:16:09,027 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 229 [2020-10-24 00:16:10,624 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 251 [2020-10-24 00:16:15,817 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:16:16,353 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:16:17,397 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-10-24 00:16:17,756 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-10-24 00:16:18,138 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 259 [2020-10-24 00:16:19,749 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:16:20,778 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:16:21,332 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:16:22,565 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-10-24 00:16:22,965 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 259 [2020-10-24 00:16:24,456 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-10-24 00:16:32,143 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:16:32,915 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-10-24 00:16:34,733 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:16:35,602 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:16:35,809 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:16:36,259 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:16:38,891 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:16:39,842 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:16:40,342 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:16:42,063 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:16:42,849 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:16:43,213 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-10-24 00:16:43,475 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-10-24 00:16:44,018 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-10-24 00:16:44,125 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:16:44,269 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-10-24 00:16:44,547 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-10-24 00:16:44,871 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-10-24 00:16:46,995 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2020-10-24 00:16:47,319 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 252 [2020-10-24 00:16:52,194 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:16:53,008 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:16:53,269 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:16:58,701 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-10-24 00:16:59,252 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-10-24 00:16:59,983 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 276 [2020-10-24 00:17:00,110 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-10-24 00:17:04,590 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:17:10,179 WARN L193 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 1198 DAG size of output: 802 [2020-10-24 00:17:10,725 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 277 [2020-10-24 00:17:10,898 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 280 [2020-10-24 00:17:12,820 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-10-24 00:17:14,547 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:17:15,407 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:17:15,614 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:16,050 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:26,477 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:17:27,652 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:27,826 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:31,780 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-10-24 00:17:33,126 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2020-10-24 00:17:33,439 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2020-10-24 00:17:35,409 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2020-10-24 00:17:35,595 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-10-24 00:17:36,275 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2020-10-24 00:17:36,468 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-10-24 00:17:37,655 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-10-24 00:17:37,814 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 274 [2020-10-24 00:17:38,538 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:38,818 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-10-24 00:17:38,945 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-10-24 00:17:39,159 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:17:39,317 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:17:39,510 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:39,872 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:40,204 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:17:40,794 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:41,168 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-10-24 00:17:41,543 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:41,786 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:17:42,848 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:17:43,037 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:17:43,140 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:43,643 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:17:43,779 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-10-24 00:17:44,330 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 278 [2020-10-24 00:17:44,514 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2020-10-24 00:17:46,031 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-10-24 00:17:46,154 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-10-24 00:17:46,859 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-10-24 00:17:47,359 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-10-24 00:17:47,519 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-10-24 00:17:48,653 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:17:48,915 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:17:49,975 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-10-24 00:17:50,128 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 274 [2020-10-24 00:17:51,601 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:17:51,934 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:17:53,668 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-10-24 00:17:53,792 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-10-24 00:17:57,952 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-10-24 00:18:00,130 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:18:00,453 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-10-24 00:18:00,588 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-10-24 00:18:01,009 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-10-24 00:18:01,845 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-10-24 00:18:02,151 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-10-24 00:18:02,928 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:18:03,133 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-10-24 00:18:03,359 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-10-24 00:18:03,505 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-10-24 00:18:03,669 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:18:03,830 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-10-24 00:18:04,129 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:18:04,264 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-10-24 00:18:04,479 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-10-24 00:18:05,148 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:18:05,626 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-10-24 00:18:06,017 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:18:06,343 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:18:07,398 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:18:07,723 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:18:08,846 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 276 [2020-10-24 00:18:08,971 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-10-24 00:18:13,737 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:18:15,714 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2020-10-24 00:18:16,795 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 275 [2020-10-24 00:18:17,057 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 276 [2020-10-24 00:18:17,566 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-10-24 00:18:17,794 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-10-24 00:18:22,054 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 800 DAG size of output: 558 [2020-10-24 00:18:23,006 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:18:23,160 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:18:24,110 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:18:24,263 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:18:25,143 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-10-24 00:18:25,491 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:18:25,895 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:18:26,237 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-10-24 00:18:28,603 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:18:29,012 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:18:29,205 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:18:29,641 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:18:33,334 WARN L193 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 939 DAG size of output: 678 [2020-10-24 00:18:33,580 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:18:33,906 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:18:36,936 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-10-24 00:18:45,364 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 263 [2020-10-24 00:18:45,592 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-10-24 00:18:45,817 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-10-24 00:18:46,310 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 263 [2020-10-24 00:18:46,457 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-24 00:18:46,621 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 262 [2020-10-24 00:18:46,724 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-10-24 00:18:46,985 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-10-24 00:18:52,052 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:18:56,210 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:19:03,130 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:19:08,005 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:19:09,847 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:19:10,291 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:19:10,464 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:19:10,675 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:19:10,832 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:19:11,392 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:19:12,532 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:19:12,690 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:19:13,222 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 266 [2020-10-24 00:19:13,443 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 260 [2020-10-24 00:19:13,654 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 260 [2020-10-24 00:19:13,885 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:19:14,173 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-10-24 00:19:14,312 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 261 [2020-10-24 00:19:14,798 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 263 [2020-10-24 00:19:15,004 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-10-24 00:19:15,363 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:19:15,537 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:19:15,725 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-10-24 00:19:15,912 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-10-24 00:19:16,256 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-10-24 00:19:16,543 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:19:16,988 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 263 [2020-10-24 00:19:17,207 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-10-24 00:19:17,424 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 264 [2020-10-24 00:19:17,753 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-10-24 00:19:21,129 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-10-24 00:19:21,511 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-10-24 00:19:22,367 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-10-24 00:19:22,644 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-10-24 00:19:23,295 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-10-24 00:19:23,636 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-10-24 00:19:25,809 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:19:27,975 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-10-24 00:19:31,193 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 870 DAG size of output: 625 [2020-10-24 00:19:35,417 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-10-24 00:19:40,631 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-10-24 00:19:48,180 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-10-24 00:19:48,871 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-10-24 00:19:49,023 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:19:54,339 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-10-24 00:19:54,625 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-10-24 00:19:54,948 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-10-24 00:19:56,264 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-10-24 00:19:56,757 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:19:58,351 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:19:59,138 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:19:59,511 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-10-24 00:19:59,779 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-10-24 00:20:00,319 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-10-24 00:20:00,424 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:20:00,569 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-10-24 00:20:03,025 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-10-24 00:20:05,113 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 379 DAG size of output: 49 [2020-10-24 00:20:08,078 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-10-24 00:20:11,611 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 306 DAG size of output: 44 [2020-10-24 00:20:15,181 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 351 DAG size of output: 58 [2020-10-24 00:20:15,837 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-10-24 00:20:17,799 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 285 DAG size of output: 57 [2020-10-24 00:20:21,332 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 351 DAG size of output: 58 [2020-10-24 00:20:23,591 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-10-24 00:20:25,702 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-10-24 00:20:35,412 WARN L193 SmtUtils]: Spent 9.66 s on a formula simplification. DAG size of input: 538 DAG size of output: 67 [2020-10-24 00:20:45,110 WARN L193 SmtUtils]: Spent 9.66 s on a formula simplification. DAG size of input: 538 DAG size of output: 67 [2020-10-24 00:20:49,158 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 356 DAG size of output: 67 [2020-10-24 00:20:49,861 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-10-24 00:20:49,984 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:20:56,553 WARN L193 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-10-24 00:20:59,395 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 530 DAG size of output: 1 [2020-10-24 00:21:00,048 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-10-24 00:21:03,053 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-10-24 00:21:12,732 WARN L193 SmtUtils]: Spent 9.62 s on a formula simplification. DAG size of input: 645 DAG size of output: 60 [2020-10-24 00:21:14,634 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 283 DAG size of output: 39 [2020-10-24 00:21:17,352 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 330 DAG size of output: 60 [2020-10-24 00:21:18,145 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-24 00:21:20,083 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 280 DAG size of output: 42 [2020-10-24 00:21:24,096 WARN L193 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 332 DAG size of output: 55 [2020-10-24 00:21:24,718 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-10-24 00:21:26,172 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 292 DAG size of output: 51 [2020-10-24 00:21:29,161 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-10-24 00:21:29,614 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:21:30,083 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-10-24 00:21:30,575 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:21:32,448 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2020-10-24 00:21:32,897 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:21:33,340 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:21:34,780 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 292 DAG size of output: 51 [2020-10-24 00:21:38,009 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 372 DAG size of output: 79 [2020-10-24 00:21:38,463 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:21:38,722 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-24 00:21:38,831 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:21:40,727 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-10-24 00:21:41,986 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-10-24 00:21:45,322 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 318 DAG size of output: 69 [2020-10-24 00:21:46,922 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 279 DAG size of output: 33 [2020-10-24 00:21:49,944 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 314 DAG size of output: 49 [2020-10-24 00:21:56,544 WARN L193 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-10-24 00:21:57,015 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-10-24 00:22:05,629 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 651 DAG size of output: 68 [2020-10-24 00:22:08,058 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 312 DAG size of output: 52 [2020-10-24 00:22:09,693 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 269 DAG size of output: 45 [2020-10-24 00:22:11,984 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 369 DAG size of output: 42 [2020-10-24 00:22:13,996 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-10-24 00:22:14,463 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:22:14,609 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:22:17,461 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 530 DAG size of output: 1 [2020-10-24 00:22:17,914 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:22:20,707 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 330 DAG size of output: 62 [2020-10-24 00:22:20,935 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-10-24 00:22:24,326 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 318 DAG size of output: 69 [2020-10-24 00:22:27,098 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 333 DAG size of output: 64 [2020-10-24 00:22:27,326 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-10-24 00:22:33,963 WARN L193 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-10-24 00:22:36,278 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 369 DAG size of output: 42 [2020-10-24 00:22:36,724 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:22:39,407 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 380 DAG size of output: 52 [2020-10-24 00:22:44,603 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 501 DAG size of output: 60 [2020-10-24 00:22:46,346 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 273 DAG size of output: 31 [2020-10-24 00:22:48,044 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 264 DAG size of output: 48 [2020-10-24 00:22:49,518 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 277 DAG size of output: 27 [2020-10-24 00:22:52,422 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 302 DAG size of output: 56 [2020-10-24 00:22:55,044 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 312 DAG size of output: 50 [2020-10-24 00:22:57,668 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 312 DAG size of output: 50 [2020-10-24 00:22:58,298 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-10-24 00:23:00,351 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 350 DAG size of output: 47 [2020-10-24 00:23:07,434 WARN L193 SmtUtils]: Spent 7.01 s on a formula simplification. DAG size of input: 542 DAG size of output: 66 [2020-10-24 00:23:10,332 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 314 DAG size of output: 51 [2020-10-24 00:23:10,827 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:23:12,651 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 178 DAG size of output: 33 [2020-10-24 00:23:13,146 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:23:13,256 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:23:15,214 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 282 DAG size of output: 52 [2020-10-24 00:23:18,236 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 325 DAG size of output: 55 [2020-10-24 00:23:20,682 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 394 DAG size of output: 37 [2020-10-24 00:23:20,941 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-24 00:23:21,384 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:23:23,260 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 353 DAG size of output: 44 [2020-10-24 00:23:23,552 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-10-24 00:23:26,682 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 396 DAG size of output: 76 [2020-10-24 00:23:27,125 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:23:30,984 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 413 DAG size of output: 78 [2020-10-24 00:23:32,546 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 276 DAG size of output: 51 [2020-10-24 00:23:33,011 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:23:33,475 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-10-24 00:23:36,506 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 325 DAG size of output: 55 [2020-10-24 00:23:36,956 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-24 00:23:42,188 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 501 DAG size of output: 60 [2020-10-24 00:23:45,230 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-10-24 00:23:49,420 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 465 DAG size of output: 38 [2020-10-24 00:23:49,865 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:23:51,772 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-10-24 00:23:52,214 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:23:55,253 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 314 DAG size of output: 49 [2020-10-24 00:23:55,362 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:23:55,814 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:23:56,276 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:23:56,946 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-10-24 00:23:57,645 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-10-24 00:23:59,525 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2020-10-24 00:24:09,082 WARN L193 SmtUtils]: Spent 9.52 s on a formula simplification. DAG size of input: 642 DAG size of output: 59 [2020-10-24 00:24:09,532 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-24 00:24:12,831 WARN L193 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 388 DAG size of output: 82 [2020-10-24 00:24:12,939 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-24 00:24:14,241 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 292 DAG size of output: 46 [2020-10-24 00:24:20,054 WARN L193 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 444 DAG size of output: 47 [2020-10-24 00:24:21,434 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 263 DAG size of output: 22 [2020-10-24 00:24:24,057 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 300 DAG size of output: 45 [2020-10-24 00:24:27,643 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 306 DAG size of output: 44 [2020-10-24 00:24:28,251 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 46 [2020-10-24 00:24:30,276 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 327 DAG size of output: 49 [2020-10-24 00:24:31,142 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-24 00:24:32,956 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 273 DAG size of output: 31 [2020-10-24 00:24:34,758 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 273 DAG size of output: 31 [2020-10-24 00:24:37,933 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 396 DAG size of output: 51 [2020-10-24 00:24:43,504 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 530 DAG size of output: 64 [2020-10-24 00:24:43,947 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-24 00:24:46,237 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 355 DAG size of output: 70 [2020-10-24 00:24:46,692 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27