/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:24:09,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:24:09,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:24:09,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:24:09,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:24:09,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:24:09,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:24:09,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:24:09,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:24:09,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:24:09,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:24:09,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:24:09,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:24:09,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:24:09,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:24:09,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:24:09,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:24:09,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:24:09,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:24:09,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:24:09,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:24:09,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:24:09,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:24:09,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:24:09,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:24:09,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:24:09,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:24:09,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:24:09,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:24:09,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:24:09,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:24:09,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:24:09,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:24:09,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:24:09,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:24:09,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:24:09,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:24:09,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:24:09,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:24:09,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:24:09,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:24:09,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:24:09,371 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:24:09,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:24:09,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:24:09,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:24:09,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:24:09,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:24:09,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:24:09,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:24:09,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:24:09,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:24:09,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:24:09,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:24:09,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:24:09,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:24:09,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:24:09,377 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:24:09,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:24:09,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:24:09,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:24:09,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:24:09,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:24:09,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:24:09,379 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:24:09,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:24:09,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:24:09,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:24:09,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:24:09,835 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:24:09,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-11-07 04:24:09,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44a3382/ba929e4c3c1a4fbca43c646020b0f4f6/FLAGdce569e88 [2020-11-07 04:24:10,662 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:24:10,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-11-07 04:24:10,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44a3382/ba929e4c3c1a4fbca43c646020b0f4f6/FLAGdce569e88 [2020-11-07 04:24:10,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e44a3382/ba929e4c3c1a4fbca43c646020b0f4f6 [2020-11-07 04:24:10,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:24:10,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:24:10,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:10,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:24:10,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:24:10,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:10" (1/1) ... [2020-11-07 04:24:10,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed4a7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:10, skipping insertion in model container [2020-11-07 04:24:10,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:10" (1/1) ... [2020-11-07 04:24:10,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:24:11,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:24:11,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:11,437 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:24:11,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:11,594 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:24:11,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11 WrapperNode [2020-11-07 04:24:11,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:11,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:24:11,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:24:11,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:24:11,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... [2020-11-07 04:24:11,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:24:11,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:24:11,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:24:11,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:24:11,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:24:11,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:24:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:24:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:24:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:24:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:24:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:24:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:24:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:24:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:24:11,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:11,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:11,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:24:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:24:11,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:24:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:24:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:24:11,793 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:24:11,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:24:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:24:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:24:11,798 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:24:11,798 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:24:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:24:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:24:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:24:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:24:11,799 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:24:11,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:24:11,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:24:11,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:24:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:24:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:24:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:24:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:24:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:24:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:24:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:24:11,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:24:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:24:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:24:11,807 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:24:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:24:11,808 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:24:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:24:11,809 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:24:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:24:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:24:11,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:24:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:24:13,468 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:24:13,468 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:24:13,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:13 BoogieIcfgContainer [2020-11-07 04:24:13,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:24:13,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:24:13,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:24:13,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:24:13,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:24:10" (1/3) ... [2020-11-07 04:24:13,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74312e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:13, skipping insertion in model container [2020-11-07 04:24:13,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:11" (2/3) ... [2020-11-07 04:24:13,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74312e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:13, skipping insertion in model container [2020-11-07 04:24:13,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:13" (3/3) ... [2020-11-07 04:24:13,480 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-11-07 04:24:13,496 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:24:13,500 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:24:13,512 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:24:13,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:24:13,535 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:24:13,535 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:24:13,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:24:13,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:24:13,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:24:13,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:24:13,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:24:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-11-07 04:24:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:24:13,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:13,581 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:13,581 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:13,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:13,588 INFO L82 PathProgramCache]: Analyzing trace with hash 391879693, now seen corresponding path program 1 times [2020-11-07 04:24:13,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:13,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692938136] [2020-11-07 04:24:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,669 WARN L194 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:24:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:24:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:24:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:14,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692938136] [2020-11-07 04:24:14,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:14,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:24:14,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846802727] [2020-11-07 04:24:14,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:24:14,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:14,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:24:14,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:14,909 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-11-07 04:24:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:16,647 INFO L93 Difference]: Finished difference Result 515 states and 602 transitions. [2020-11-07 04:24:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:24:16,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:24:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:16,678 INFO L225 Difference]: With dead ends: 515 [2020-11-07 04:24:16,678 INFO L226 Difference]: Without dead ends: 324 [2020-11-07 04:24:16,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:16,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-07 04:24:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 278. [2020-11-07 04:24:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-11-07 04:24:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 301 transitions. [2020-11-07 04:24:16,873 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 301 transitions. Word has length 166 [2020-11-07 04:24:16,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:16,874 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 301 transitions. [2020-11-07 04:24:16,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:24:16,875 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 301 transitions. [2020-11-07 04:24:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:24:16,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:16,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:16,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:24:16,880 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:16,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1206183004, now seen corresponding path program 1 times [2020-11-07 04:24:16,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:16,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659284858] [2020-11-07 04:24:16,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,379 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:17,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:24:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:17,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659284858] [2020-11-07 04:24:17,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:17,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:24:17,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475388873] [2020-11-07 04:24:17,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:24:17,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:24:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:24:17,520 INFO L87 Difference]: Start difference. First operand 278 states and 301 transitions. Second operand 5 states. [2020-11-07 04:24:18,356 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:19,545 INFO L93 Difference]: Finished difference Result 437 states and 490 transitions. [2020-11-07 04:24:19,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:24:19,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:24:19,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:19,554 INFO L225 Difference]: With dead ends: 437 [2020-11-07 04:24:19,554 INFO L226 Difference]: Without dead ends: 313 [2020-11-07 04:24:19,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:24:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-11-07 04:24:19,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 268. [2020-11-07 04:24:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-07 04:24:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 288 transitions. [2020-11-07 04:24:19,670 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 288 transitions. Word has length 167 [2020-11-07 04:24:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:19,671 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 288 transitions. [2020-11-07 04:24:19,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:24:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 288 transitions. [2020-11-07 04:24:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:24:19,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:19,674 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:19,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:24:19,675 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:19,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:19,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1000524518, now seen corresponding path program 1 times [2020-11-07 04:24:19,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:19,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343061964] [2020-11-07 04:24:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,211 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:24:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:24:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:20,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343061964] [2020-11-07 04:24:20,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:20,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:24:20,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183277663] [2020-11-07 04:24:20,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:24:20,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:20,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:24:20,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:24:20,493 INFO L87 Difference]: Start difference. First operand 268 states and 288 transitions. Second operand 11 states. [2020-11-07 04:24:21,208 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:21,676 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:22,076 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:24:22,482 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:22,862 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:23,245 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:25,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:25,392 INFO L93 Difference]: Finished difference Result 484 states and 555 transitions. [2020-11-07 04:24:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:24:25,393 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:24:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:25,398 INFO L225 Difference]: With dead ends: 484 [2020-11-07 04:24:25,398 INFO L226 Difference]: Without dead ends: 336 [2020-11-07 04:24:25,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:24:25,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-11-07 04:24:25,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 268. [2020-11-07 04:24:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-07 04:24:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 287 transitions. [2020-11-07 04:24:25,499 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 287 transitions. Word has length 180 [2020-11-07 04:24:25,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:25,500 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 287 transitions. [2020-11-07 04:24:25,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:24:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 287 transitions. [2020-11-07 04:24:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-07 04:24:25,503 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:25,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:25,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:24:25,504 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:25,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:25,505 INFO L82 PathProgramCache]: Analyzing trace with hash 425132564, now seen corresponding path program 1 times [2020-11-07 04:24:25,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:25,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774150366] [2020-11-07 04:24:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,912 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:24:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-07 04:24:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:26,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774150366] [2020-11-07 04:24:26,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:26,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:24:26,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392545726] [2020-11-07 04:24:26,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:24:26,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:26,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:24:26,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:24:26,111 INFO L87 Difference]: Start difference. First operand 268 states and 287 transitions. Second operand 8 states. [2020-11-07 04:24:26,772 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:29,101 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:30,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:30,125 INFO L93 Difference]: Finished difference Result 675 states and 802 transitions. [2020-11-07 04:24:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:24:30,126 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-11-07 04:24:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:30,132 INFO L225 Difference]: With dead ends: 675 [2020-11-07 04:24:30,132 INFO L226 Difference]: Without dead ends: 527 [2020-11-07 04:24:30,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:24:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-11-07 04:24:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 387. [2020-11-07 04:24:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-11-07 04:24:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 418 transitions. [2020-11-07 04:24:30,286 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 418 transitions. Word has length 193 [2020-11-07 04:24:30,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:30,288 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 418 transitions. [2020-11-07 04:24:30,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:24:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 418 transitions. [2020-11-07 04:24:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:24:30,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:30,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:30,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:24:30,293 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:30,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:30,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1700881994, now seen corresponding path program 1 times [2020-11-07 04:24:30,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:30,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126032752] [2020-11-07 04:24:30,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,795 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:30,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:31,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:31,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:24:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:31,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:24:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:31,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126032752] [2020-11-07 04:24:31,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:31,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:24:31,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832094081] [2020-11-07 04:24:31,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:24:31,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:31,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:24:31,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:24:31,068 INFO L87 Difference]: Start difference. First operand 387 states and 418 transitions. Second operand 11 states. [2020-11-07 04:24:31,774 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:33,385 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:33,800 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:34,217 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:34,592 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:35,029 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:35,409 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:37,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:37,712 INFO L93 Difference]: Finished difference Result 1089 states and 1345 transitions. [2020-11-07 04:24:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-07 04:24:37,713 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:24:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:37,721 INFO L225 Difference]: With dead ends: 1089 [2020-11-07 04:24:37,721 INFO L226 Difference]: Without dead ends: 822 [2020-11-07 04:24:37,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:24:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-11-07 04:24:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 582. [2020-11-07 04:24:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-07 04:24:38,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 641 transitions. [2020-11-07 04:24:38,026 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 641 transitions. Word has length 217 [2020-11-07 04:24:38,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:38,026 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 641 transitions. [2020-11-07 04:24:38,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:24:38,027 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 641 transitions. [2020-11-07 04:24:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:24:38,036 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:38,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:38,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:24:38,037 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:38,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1903591161, now seen corresponding path program 1 times [2020-11-07 04:24:38,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:38,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648388912] [2020-11-07 04:24:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,521 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:24:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:24:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:24:38,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648388912] [2020-11-07 04:24:38,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:38,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:24:38,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611483999] [2020-11-07 04:24:38,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:24:38,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:38,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:24:38,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:24:38,733 INFO L87 Difference]: Start difference. First operand 582 states and 641 transitions. Second operand 11 states. [2020-11-07 04:24:39,389 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:40,556 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:40,928 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:42,079 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:42,521 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:43,019 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:43,825 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:44,222 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:44,585 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:45,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:45,390 INFO L93 Difference]: Finished difference Result 1277 states and 1523 transitions. [2020-11-07 04:24:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:24:45,390 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:24:45,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:45,397 INFO L225 Difference]: With dead ends: 1277 [2020-11-07 04:24:45,397 INFO L226 Difference]: Without dead ends: 815 [2020-11-07 04:24:45,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-11-07 04:24:45,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-11-07 04:24:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 580. [2020-11-07 04:24:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-11-07 04:24:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 635 transitions. [2020-11-07 04:24:45,700 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 635 transitions. Word has length 217 [2020-11-07 04:24:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:45,701 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 635 transitions. [2020-11-07 04:24:45,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:24:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 635 transitions. [2020-11-07 04:24:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 04:24:45,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:45,706 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:45,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:24:45,706 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:45,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:45,707 INFO L82 PathProgramCache]: Analyzing trace with hash -55181825, now seen corresponding path program 1 times [2020-11-07 04:24:45,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:45,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094460289] [2020-11-07 04:24:45,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,093 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-11-07 04:24:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:24:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:46,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094460289] [2020-11-07 04:24:46,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:46,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:24:46,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27915767] [2020-11-07 04:24:46,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:24:46,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:46,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:24:46,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:24:46,332 INFO L87 Difference]: Start difference. First operand 580 states and 635 transitions. Second operand 11 states. [2020-11-07 04:24:47,978 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:48,363 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:48,775 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:24:49,167 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:49,555 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:49,912 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:51,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:51,492 INFO L93 Difference]: Finished difference Result 1281 states and 1519 transitions. [2020-11-07 04:24:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:24:51,493 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-11-07 04:24:51,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:51,499 INFO L225 Difference]: With dead ends: 1281 [2020-11-07 04:24:51,499 INFO L226 Difference]: Without dead ends: 821 [2020-11-07 04:24:51,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:24:51,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-11-07 04:24:51,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 596. [2020-11-07 04:24:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-07 04:24:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 651 transitions. [2020-11-07 04:24:51,761 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 651 transitions. Word has length 218 [2020-11-07 04:24:51,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:51,761 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 651 transitions. [2020-11-07 04:24:51,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:24:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 651 transitions. [2020-11-07 04:24:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-07 04:24:51,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:51,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:51,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:24:51,766 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:51,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:51,767 INFO L82 PathProgramCache]: Analyzing trace with hash 358449567, now seen corresponding path program 1 times [2020-11-07 04:24:51,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:51,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136647060] [2020-11-07 04:24:51,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,161 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:24:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:24:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-11-07 04:24:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:24:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:52,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136647060] [2020-11-07 04:24:52,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:52,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:24:52,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473819614] [2020-11-07 04:24:52,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:24:52,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:52,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:24:52,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:24:52,422 INFO L87 Difference]: Start difference. First operand 596 states and 651 transitions. Second operand 14 states. [2020-11-07 04:24:53,206 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:53,639 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:54,037 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:54,410 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:54,770 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:56,005 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:56,372 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:56,747 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:57,139 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:57,519 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:59,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:59,192 INFO L93 Difference]: Finished difference Result 1145 states and 1346 transitions. [2020-11-07 04:24:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:24:59,196 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-11-07 04:24:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:59,200 INFO L225 Difference]: With dead ends: 1145 [2020-11-07 04:24:59,201 INFO L226 Difference]: Without dead ends: 669 [2020-11-07 04:24:59,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:24:59,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-11-07 04:24:59,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 506. [2020-11-07 04:24:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-11-07 04:24:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 542 transitions. [2020-11-07 04:24:59,421 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 542 transitions. Word has length 218 [2020-11-07 04:24:59,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:59,421 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 542 transitions. [2020-11-07 04:24:59,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:24:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 542 transitions. [2020-11-07 04:24:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:24:59,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:59,424 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:59,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:24:59,424 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:59,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1634082278, now seen corresponding path program 1 times [2020-11-07 04:24:59,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:59,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232601409] [2020-11-07 04:24:59,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,889 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:59,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:25:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:25:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:25:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:25:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:25:00,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232601409] [2020-11-07 04:25:00,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:00,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:25:00,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892844676] [2020-11-07 04:25:00,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:25:00,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:00,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:25:00,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:25:00,187 INFO L87 Difference]: Start difference. First operand 506 states and 542 transitions. Second operand 15 states. [2020-11-07 04:25:01,227 WARN L194 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:25:02,301 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:04,519 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:25:05,261 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:25:05,688 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:06,077 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:06,817 WARN L194 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:25:07,197 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:07,624 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:08,004 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:10,134 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:10,494 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:10,891 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:11,744 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:25:13,557 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:25:14,322 WARN L194 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:25:15,100 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:25:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:15,647 INFO L93 Difference]: Finished difference Result 1569 states and 1855 transitions. [2020-11-07 04:25:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:25:15,647 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-11-07 04:25:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:15,655 INFO L225 Difference]: With dead ends: 1569 [2020-11-07 04:25:15,656 INFO L226 Difference]: Without dead ends: 1287 [2020-11-07 04:25:15,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-11-07 04:25:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-11-07 04:25:16,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1007. [2020-11-07 04:25:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1007 states. [2020-11-07 04:25:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1084 transitions. [2020-11-07 04:25:16,120 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1084 transitions. Word has length 223 [2020-11-07 04:25:16,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:16,121 INFO L481 AbstractCegarLoop]: Abstraction has 1007 states and 1084 transitions. [2020-11-07 04:25:16,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:25:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1084 transitions. [2020-11-07 04:25:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-11-07 04:25:16,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:16,125 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:16,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:25:16,125 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash -222234881, now seen corresponding path program 1 times [2020-11-07 04:25:16,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:16,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428992009] [2020-11-07 04:25:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,557 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:16,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:25:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:25:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:25:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:25:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-11-07 04:25:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-11-07 04:25:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:16,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-11-07 04:25:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-07 04:25:17,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428992009] [2020-11-07 04:25:17,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:17,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:25:17,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804878229] [2020-11-07 04:25:17,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:25:17,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:17,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:25:17,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:25:17,052 INFO L87 Difference]: Start difference. First operand 1007 states and 1084 transitions. Second operand 19 states. [2020-11-07 04:25:17,904 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:18,441 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:18,852 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:25:19,276 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:19,683 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:25:20,076 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:21,274 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:21,700 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:22,092 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:22,800 WARN L194 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:25:23,895 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:24,559 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:25,027 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:25:26,949 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:25:27,726 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:25:28,153 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:25:28,878 WARN L194 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:25:29,423 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:30,396 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:31,152 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:31,644 WARN L194 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:25:32,492 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:25:33,326 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:25:34,904 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:25:35,346 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:36,663 INFO L93 Difference]: Finished difference Result 2441 states and 2796 transitions. [2020-11-07 04:25:36,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-07 04:25:36,664 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2020-11-07 04:25:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:36,674 INFO L225 Difference]: With dead ends: 2441 [2020-11-07 04:25:36,675 INFO L226 Difference]: Without dead ends: 1656 [2020-11-07 04:25:36,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1985 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=1300, Invalid=5506, Unknown=0, NotChecked=0, Total=6806 [2020-11-07 04:25:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-11-07 04:25:37,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1227. [2020-11-07 04:25:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-11-07 04:25:37,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1330 transitions. [2020-11-07 04:25:37,259 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1330 transitions. Word has length 309 [2020-11-07 04:25:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:37,260 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 1330 transitions. [2020-11-07 04:25:37,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:25:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1330 transitions. [2020-11-07 04:25:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-11-07 04:25:37,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:37,266 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:37,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:25:37,266 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:37,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:37,267 INFO L82 PathProgramCache]: Analyzing trace with hash 324706978, now seen corresponding path program 1 times [2020-11-07 04:25:37,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:37,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485522761] [2020-11-07 04:25:37,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,676 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:37,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:25:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:25:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:25:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-11-07 04:25:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:25:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-11-07 04:25:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-11-07 04:25:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:25:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:25:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:25:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-11-07 04:25:38,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485522761] [2020-11-07 04:25:38,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:38,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:25:38,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024821841] [2020-11-07 04:25:38,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:25:38,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:25:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:25:38,351 INFO L87 Difference]: Start difference. First operand 1227 states and 1330 transitions. Second operand 17 states. [2020-11-07 04:25:39,158 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:40,507 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:45,245 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:45,661 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:46,089 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:46,498 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:46,903 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:47,315 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:47,727 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:48,141 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:48,546 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:48,965 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:49,375 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:49,779 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:50,580 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2020-11-07 04:25:50,989 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:51,725 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:25:52,154 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:52,623 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:53,041 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:55,289 INFO L93 Difference]: Finished difference Result 3816 states and 4395 transitions. [2020-11-07 04:25:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-11-07 04:25:55,292 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 479 [2020-11-07 04:25:55,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:55,308 INFO L225 Difference]: With dead ends: 3816 [2020-11-07 04:25:55,308 INFO L226 Difference]: Without dead ends: 2722 [2020-11-07 04:25:55,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:25:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2020-11-07 04:25:56,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2169. [2020-11-07 04:25:56,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2169 states. [2020-11-07 04:25:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2336 transitions. [2020-11-07 04:25:56,603 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2336 transitions. Word has length 479 [2020-11-07 04:25:56,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:56,604 INFO L481 AbstractCegarLoop]: Abstraction has 2169 states and 2336 transitions. [2020-11-07 04:25:56,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:25:56,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2336 transitions. [2020-11-07 04:25:56,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-11-07 04:25:56,612 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:56,612 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-11-07 04:25:56,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:25:56,613 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:56,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:56,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1957647586, now seen corresponding path program 1 times [2020-11-07 04:25:56,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:56,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2025513454] [2020-11-07 04:25:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,025 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:57,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:25:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:25:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:25:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:25:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:25:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:25:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:25:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-11-07 04:25:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-11-07 04:25:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:25:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-11-07 04:25:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:25:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-11-07 04:25:57,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2025513454] [2020-11-07 04:25:57,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:57,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:25:57,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619219670] [2020-11-07 04:25:57,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:25:57,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:57,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:25:57,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:25:57,841 INFO L87 Difference]: Start difference. First operand 2169 states and 2336 transitions. Second operand 23 states. [2020-11-07 04:25:58,631 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:59,155 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:59,585 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:59,993 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:00,391 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:00,779 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:02,002 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:07,557 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:08,014 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:08,455 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:08,876 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:09,289 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:09,706 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:10,100 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:10,527 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:10,969 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:11,430 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:11,840 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:12,266 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:13,042 WARN L194 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:13,857 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:26:14,602 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:17,581 INFO L93 Difference]: Finished difference Result 4588 states and 5214 transitions. [2020-11-07 04:26:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-11-07 04:26:17,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 484 [2020-11-07 04:26:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:17,598 INFO L225 Difference]: With dead ends: 4588 [2020-11-07 04:26:17,599 INFO L226 Difference]: Without dead ends: 2796 [2020-11-07 04:26:17,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1823 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:26:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-11-07 04:26:18,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2035. [2020-11-07 04:26:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2035 states. [2020-11-07 04:26:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2188 transitions. [2020-11-07 04:26:18,519 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2188 transitions. Word has length 484 [2020-11-07 04:26:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:18,520 INFO L481 AbstractCegarLoop]: Abstraction has 2035 states and 2188 transitions. [2020-11-07 04:26:18,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:26:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2188 transitions. [2020-11-07 04:26:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-11-07 04:26:18,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:18,528 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:18,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:26:18,528 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:18,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:18,529 INFO L82 PathProgramCache]: Analyzing trace with hash -143486662, now seen corresponding path program 2 times [2020-11-07 04:26:18,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:18,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037340302] [2020-11-07 04:26:18,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,924 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:18,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:26:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:26:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:26:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-11-07 04:26:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:26:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-11-07 04:26:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-11-07 04:26:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-11-07 04:26:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:26:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-11-07 04:26:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:26:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-11-07 04:26:19,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037340302] [2020-11-07 04:26:19,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:19,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:26:19,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860226346] [2020-11-07 04:26:19,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:26:19,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:19,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:26:19,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:26:19,683 INFO L87 Difference]: Start difference. First operand 2035 states and 2188 transitions. Second operand 18 states. [2020-11-07 04:26:22,457 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:22,855 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:23,242 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:23,641 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:24,043 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:24,412 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:28,453 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:28,858 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:32,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:32,264 INFO L93 Difference]: Finished difference Result 6470 states and 7608 transitions. [2020-11-07 04:26:32,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:26:32,265 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 484 [2020-11-07 04:26:32,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:32,288 INFO L225 Difference]: With dead ends: 6470 [2020-11-07 04:26:32,288 INFO L226 Difference]: Without dead ends: 4141 [2020-11-07 04:26:32,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 124 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=823, Invalid=3083, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:26:32,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4141 states. [2020-11-07 04:26:33,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4141 to 2622. [2020-11-07 04:26:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2622 states. [2020-11-07 04:26:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 2857 transitions. [2020-11-07 04:26:33,529 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 2857 transitions. Word has length 484 [2020-11-07 04:26:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:33,530 INFO L481 AbstractCegarLoop]: Abstraction has 2622 states and 2857 transitions. [2020-11-07 04:26:33,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:26:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 2857 transitions. [2020-11-07 04:26:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-11-07 04:26:33,539 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:33,540 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:33,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:26:33,540 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:33,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:33,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1936870017, now seen corresponding path program 1 times [2020-11-07 04:26:33,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:33,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084056963] [2020-11-07 04:26:33,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,952 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:26:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:26:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:26:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-11-07 04:26:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-11-07 04:26:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-11-07 04:26:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:26:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-11-07 04:26:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-11-07 04:26:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:26:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-11-07 04:26:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-11-07 04:26:34,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084056963] [2020-11-07 04:26:34,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:34,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:26:34,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749335242] [2020-11-07 04:26:34,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:26:34,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:34,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:26:34,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:26:34,583 INFO L87 Difference]: Start difference. First operand 2622 states and 2857 transitions. Second operand 20 states. [2020-11-07 04:26:35,358 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:35,917 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:36,365 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:36,812 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:37,241 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:37,621 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:38,994 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:39,389 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:40,737 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:41,384 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:41,868 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:42,393 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:44,501 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:44,910 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:46,365 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:46,775 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:47,154 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:49,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:49,866 INFO L93 Difference]: Finished difference Result 5825 states and 6735 transitions. [2020-11-07 04:26:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:26:49,866 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 494 [2020-11-07 04:26:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:49,886 INFO L225 Difference]: With dead ends: 5825 [2020-11-07 04:26:49,886 INFO L226 Difference]: Without dead ends: 3580 [2020-11-07 04:26:49,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2020-11-07 04:26:49,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2020-11-07 04:26:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 2548. [2020-11-07 04:26:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2548 states. [2020-11-07 04:26:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 2752 transitions. [2020-11-07 04:26:51,148 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 2752 transitions. Word has length 494 [2020-11-07 04:26:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:51,149 INFO L481 AbstractCegarLoop]: Abstraction has 2548 states and 2752 transitions. [2020-11-07 04:26:51,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:26:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2752 transitions. [2020-11-07 04:26:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2020-11-07 04:26:51,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:51,158 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:51,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:26:51,159 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:51,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:51,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1365612970, now seen corresponding path program 1 times [2020-11-07 04:26:51,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:51,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748368921] [2020-11-07 04:26:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,573 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:51,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:26:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:26:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:26:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 04:26:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:26:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:26:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-11-07 04:26:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-11-07 04:26:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:26:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-11-07 04:26:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-11-07 04:26:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-11-07 04:26:52,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748368921] [2020-11-07 04:26:52,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:52,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:26:52,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217872729] [2020-11-07 04:26:52,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:26:52,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:52,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:26:52,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:26:52,339 INFO L87 Difference]: Start difference. First operand 2548 states and 2752 transitions. Second operand 19 states. [2020-11-07 04:26:53,117 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:55,966 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:56,379 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:57,155 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:57,556 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:58,291 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:26:58,728 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:59,438 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:59,846 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:00,254 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:00,633 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:00,996 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:04,200 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:04,611 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:08,582 INFO L93 Difference]: Finished difference Result 6225 states and 7340 transitions. [2020-11-07 04:27:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-07 04:27:08,586 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 495 [2020-11-07 04:27:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:08,614 INFO L225 Difference]: With dead ends: 6225 [2020-11-07 04:27:08,614 INFO L226 Difference]: Without dead ends: 4909 [2020-11-07 04:27:08,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 137 SyntacticMatches, 8 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2058 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-11-07 04:27:08,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2020-11-07 04:27:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 3148. [2020-11-07 04:27:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-11-07 04:27:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3404 transitions. [2020-11-07 04:27:10,267 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3404 transitions. Word has length 495 [2020-11-07 04:27:10,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:10,268 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3404 transitions. [2020-11-07 04:27:10,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:27:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3404 transitions. [2020-11-07 04:27:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-11-07 04:27:10,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:10,277 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:10,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:27:10,277 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:10,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:10,278 INFO L82 PathProgramCache]: Analyzing trace with hash 182827641, now seen corresponding path program 1 times [2020-11-07 04:27:10,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:10,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124232072] [2020-11-07 04:27:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,701 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:27:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:27:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 04:27:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:27:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:27:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-11-07 04:27:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-11-07 04:27:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:27:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-11-07 04:27:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-11-07 04:27:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-11-07 04:27:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-11-07 04:27:11,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124232072] [2020-11-07 04:27:11,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:11,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:11,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374443920] [2020-11-07 04:27:11,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:11,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:11,511 INFO L87 Difference]: Start difference. First operand 3148 states and 3404 transitions. Second operand 19 states. [2020-11-07 04:27:12,277 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:14,259 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:15,425 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:15,846 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:16,616 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:17,018 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:17,785 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:27:18,204 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:18,940 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:19,713 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:27:20,552 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:27:21,305 WARN L194 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:27:21,670 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:25,034 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:25,445 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:26,763 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:28,047 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:28,467 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:29,276 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:29,658 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:30,471 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:30,891 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:31,623 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:32,038 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:32,484 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:27:32,891 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:39,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:39,527 INFO L93 Difference]: Finished difference Result 8700 states and 10436 transitions. [2020-11-07 04:27:39,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-11-07 04:27:39,528 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 510 [2020-11-07 04:27:39,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:39,572 INFO L225 Difference]: With dead ends: 8700 [2020-11-07 04:27:39,573 INFO L226 Difference]: Without dead ends: 7053 [2020-11-07 04:27:39,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 170 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5675 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-11-07 04:27:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7053 states. [2020-11-07 04:27:41,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7053 to 4040. [2020-11-07 04:27:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4040 states. [2020-11-07 04:27:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4040 states to 4040 states and 4378 transitions. [2020-11-07 04:27:41,681 INFO L78 Accepts]: Start accepts. Automaton has 4040 states and 4378 transitions. Word has length 510 [2020-11-07 04:27:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:41,681 INFO L481 AbstractCegarLoop]: Abstraction has 4040 states and 4378 transitions. [2020-11-07 04:27:41,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:27:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4040 states and 4378 transitions. [2020-11-07 04:27:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2020-11-07 04:27:41,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:41,694 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:27:41,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:27:41,695 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash 42349699, now seen corresponding path program 2 times [2020-11-07 04:27:41,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:41,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387630427] [2020-11-07 04:27:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,143 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:42,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:27:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:27:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-11-07 04:27:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:27:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:27:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-11-07 04:27:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:27:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:27:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:27:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-11-07 04:27:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-11-07 04:27:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-11-07 04:27:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-11-07 04:27:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2020-11-07 04:27:43,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387630427] [2020-11-07 04:27:43,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:43,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:27:43,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140233363] [2020-11-07 04:27:43,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:27:43,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:43,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:27:43,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:27:43,047 INFO L87 Difference]: Start difference. First operand 4040 states and 4378 transitions. Second operand 20 states. [2020-11-07 04:27:43,806 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:44,952 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:46,269 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:47,432 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:47,852 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:48,621 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:49,020 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:49,760 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:27:50,163 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:50,874 WARN L194 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:57,516 INFO L93 Difference]: Finished difference Result 8425 states and 9758 transitions. [2020-11-07 04:27:57,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-11-07 04:27:57,516 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 597 [2020-11-07 04:27:57,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:57,543 INFO L225 Difference]: With dead ends: 8425 [2020-11-07 04:27:57,543 INFO L226 Difference]: Without dead ends: 5817 [2020-11-07 04:27:57,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 167 SyntacticMatches, 10 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1840 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1091, Invalid=4459, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:27:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2020-11-07 04:27:59,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 3849. [2020-11-07 04:27:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3849 states. [2020-11-07 04:27:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3849 states and 4136 transitions. [2020-11-07 04:27:59,570 INFO L78 Accepts]: Start accepts. Automaton has 3849 states and 4136 transitions. Word has length 597 [2020-11-07 04:27:59,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:59,571 INFO L481 AbstractCegarLoop]: Abstraction has 3849 states and 4136 transitions. [2020-11-07 04:27:59,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:27:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 4136 transitions. [2020-11-07 04:27:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-11-07 04:27:59,581 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:59,582 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-07 04:27:59,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:27:59,582 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:59,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:59,583 INFO L82 PathProgramCache]: Analyzing trace with hash -371002752, now seen corresponding path program 2 times [2020-11-07 04:27:59,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:59,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829863042] [2020-11-07 04:27:59,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,053 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:28:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:28:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:28:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-11-07 04:28:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:28:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:28:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-11-07 04:28:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:28:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:28:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-11-07 04:28:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:28:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-11-07 04:28:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-11-07 04:28:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2020-11-07 04:28:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-11-07 04:28:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2020-11-07 04:28:00,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829863042] [2020-11-07 04:28:00,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:00,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:28:00,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371388268] [2020-11-07 04:28:00,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:28:00,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:00,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:28:00,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:28:00,911 INFO L87 Difference]: Start difference. First operand 3849 states and 4136 transitions. Second operand 20 states. [2020-11-07 04:28:01,683 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:02,812 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:04,194 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:05,291 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:05,714 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:06,494 WARN L194 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:28:06,893 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:07,667 WARN L194 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:28:08,074 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:08,806 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:28:12,812 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:13,748 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:14,164 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:14,926 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:15,721 WARN L194 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:28:16,461 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:22,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:22,178 INFO L93 Difference]: Finished difference Result 9253 states and 10729 transitions. [2020-11-07 04:28:22,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-11-07 04:28:22,179 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 612 [2020-11-07 04:28:22,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:22,200 INFO L225 Difference]: With dead ends: 9253 [2020-11-07 04:28:22,201 INFO L226 Difference]: Without dead ends: 6836 [2020-11-07 04:28:22,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 191 SyntacticMatches, 9 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3665 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=2000, Invalid=8302, Unknown=0, NotChecked=0, Total=10302 [2020-11-07 04:28:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6836 states. [2020-11-07 04:28:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6836 to 4353. [2020-11-07 04:28:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4353 states. [2020-11-07 04:28:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 4353 states and 4675 transitions. [2020-11-07 04:28:24,448 INFO L78 Accepts]: Start accepts. Automaton has 4353 states and 4675 transitions. Word has length 612 [2020-11-07 04:28:24,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:24,449 INFO L481 AbstractCegarLoop]: Abstraction has 4353 states and 4675 transitions. [2020-11-07 04:28:24,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:28:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4353 states and 4675 transitions. [2020-11-07 04:28:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2020-11-07 04:28:24,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:24,459 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-07 04:28:24,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:28:24,460 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:24,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:24,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2067069876, now seen corresponding path program 1 times [2020-11-07 04:28:24,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:24,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410438479] [2020-11-07 04:28:24,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:24,995 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:28:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-11-07 04:28:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:28:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 04:28:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-11-07 04:28:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-11-07 04:28:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-11-07 04:28:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-11-07 04:28:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-11-07 04:28:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:28:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-11-07 04:28:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-11-07 04:28:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-11-07 04:28:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-11-07 04:28:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2020-11-07 04:28:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:25,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2020-11-07 04:28:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 192 proven. 148 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2020-11-07 04:28:26,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410438479] [2020-11-07 04:28:26,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:26,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-11-07 04:28:26,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666426552] [2020-11-07 04:28:26,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-07 04:28:26,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:26,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-07 04:28:26,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:28:26,167 INFO L87 Difference]: Start difference. First operand 4353 states and 4675 transitions. Second operand 25 states. [2020-11-07 04:28:27,327 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:28:28,963 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:28:31,909 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:28:32,738 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:28:33,562 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:34,380 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:28:35,186 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:28:35,978 WARN L194 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:28:36,757 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:37,524 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:38,300 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:39,034 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:43,031 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:28:44,586 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:45,407 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:28:46,209 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:47,037 WARN L194 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:28:47,864 WARN L194 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:53,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:53,272 INFO L93 Difference]: Finished difference Result 8552 states and 9714 transitions. [2020-11-07 04:28:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-11-07 04:28:53,273 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 612 [2020-11-07 04:28:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:53,278 INFO L225 Difference]: With dead ends: 8552 [2020-11-07 04:28:53,278 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:28:53,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 175 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3067 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=1218, Invalid=8288, Unknown=0, NotChecked=0, Total=9506 [2020-11-07 04:28:53,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:28:53,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:28:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:28:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:28:53,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 612 [2020-11-07 04:28:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:53,303 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:28:53,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-07 04:28:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:28:53,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:28:53,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:28:53,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:28:59,564 WARN L194 SmtUtils]: Spent 6.20 s on a formula simplification. DAG size of input: 1178 DAG size of output: 785 [2020-11-07 04:28:59,774 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:29:00,158 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:29:02,036 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:29:03,716 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-11-07 04:29:03,908 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-11-07 04:29:04,334 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 271 [2020-11-07 04:29:04,465 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 272 [2020-11-07 04:29:06,584 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:29:07,633 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:29:07,843 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:29:08,308 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:29:09,092 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:29:09,209 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:29:10,260 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 273 [2020-11-07 04:29:10,367 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:29:20,845 WARN L194 SmtUtils]: Spent 10.15 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:29:25,717 WARN L194 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 1178 DAG size of output: 785 [2020-11-07 04:29:27,034 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 288 [2020-11-07 04:29:27,297 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 290 [2020-11-07 04:29:27,894 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-11-07 04:29:28,173 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2020-11-07 04:29:28,937 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-11-07 04:29:29,076 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:29:29,273 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2020-11-07 04:29:37,184 WARN L194 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 1178 DAG size of output: 785 [2020-11-07 04:29:37,493 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:29:38,877 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:29:39,086 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:29:50,163 WARN L194 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:29:50,426 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:50,529 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:50,633 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:50,737 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:51,278 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 264 [2020-11-07 04:29:51,388 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 264 [2020-11-07 04:29:52,190 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:29:52,387 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:29:52,495 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:52,700 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:52,802 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 179 [2020-11-07 04:29:52,907 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:53,010 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:53,129 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 271 [2020-11-07 04:29:53,247 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 271 [2020-11-07 04:29:53,547 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-11-07 04:29:53,650 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:53,753 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:53,862 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-11-07 04:29:53,970 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:54,074 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:54,311 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 34 [2020-11-07 04:29:54,459 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 34 [2020-11-07 04:29:54,901 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:29:55,143 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:29:55,250 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:55,353 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:55,459 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:55,565 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:29:56,778 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:29:56,983 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:29:59,392 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 271 [2020-11-07 04:29:59,668 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-07 04:30:00,518 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 264 [2020-11-07 04:30:00,712 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2020-11-07 04:30:01,544 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:30:01,935 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-11-07 04:30:12,335 WARN L194 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:30:22,764 WARN L194 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:30:25,206 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:25,366 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:25,672 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:25,833 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:33,958 WARN L194 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 1374 DAG size of output: 880 [2020-11-07 04:30:34,162 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:30:34,346 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:30:38,106 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:38,213 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:38,319 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:38,422 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:38,955 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 264 [2020-11-07 04:30:39,067 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 264 [2020-11-07 04:30:39,874 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:30:40,070 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:30:40,181 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:40,285 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 179 [2020-11-07 04:30:40,392 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:40,497 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 179 [2020-11-07 04:30:40,600 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:40,708 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:40,827 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 271 [2020-11-07 04:30:40,941 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 271 [2020-11-07 04:30:41,241 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-11-07 04:30:41,347 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:41,458 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:41,567 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-11-07 04:30:41,671 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:41,774 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:42,015 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 34 [2020-11-07 04:30:42,161 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 34 [2020-11-07 04:30:42,606 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:30:42,851 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 49 [2020-11-07 04:30:42,958 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:43,068 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:43,184 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:43,291 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 182 [2020-11-07 04:30:53,250 WARN L194 SmtUtils]: Spent 9.89 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:30:56,058 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:30:56,636 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:56,878 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:30:57,030 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:30:57,587 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:30:57,799 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:30:58,268 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:58,508 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:59,291 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:30:59,500 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:00,400 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:31:00,616 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:31:01,888 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:02,067 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:02,803 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:02,952 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:03,249 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:03,451 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:03,741 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:03,939 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:04,413 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:04,596 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:04,747 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:31:04,853 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:31:04,963 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:31:05,115 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:31:05,296 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:05,563 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:07,369 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:07,529 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:07,961 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:31:08,147 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:31:08,345 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:31:08,609 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:31:09,066 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:09,221 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:11,298 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:31:12,153 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:31:12,355 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:31:14,147 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:31:14,332 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:31:25,368 WARN L194 SmtUtils]: Spent 9.95 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:31:30,747 WARN L194 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 1178 DAG size of output: 785 [2020-11-07 04:31:30,924 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 279 [2020-11-07 04:31:31,200 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-11-07 04:31:39,592 WARN L194 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 1374 DAG size of output: 880 [2020-11-07 04:31:43,198 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:31:43,386 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:31:46,697 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 284 [2020-11-07 04:31:46,827 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 284 [2020-11-07 04:31:48,786 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:31:48,995 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:31:49,455 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:31:50,204 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:31:50,325 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:31:55,052 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-11-07 04:31:57,594 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-07 04:32:07,541 WARN L194 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:32:21,636 WARN L194 SmtUtils]: Spent 12.65 s on a formula simplification. DAG size of input: 1674 DAG size of output: 1157 [2020-11-07 04:32:21,904 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:32:22,052 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:32:29,641 WARN L194 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 1307 DAG size of output: 869 [2020-11-07 04:32:29,813 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 279 [2020-11-07 04:32:30,088 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 282 [2020-11-07 04:32:31,292 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 269 [2020-11-07 04:32:31,976 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 269 [2020-11-07 04:32:32,289 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-11-07 04:32:32,614 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-11-07 04:32:32,781 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 272 [2020-11-07 04:32:32,992 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 271 [2020-11-07 04:32:34,097 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:34,255 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:34,408 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:35,381 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:35,557 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:36,345 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-11-07 04:32:37,228 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:37,382 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:32:39,375 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:32:39,525 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:32:43,028 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271 [2020-11-07 04:32:47,353 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 271 [2020-11-07 04:32:47,631 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-07 04:32:48,474 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 264 [2020-11-07 04:32:48,668 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 264 [2020-11-07 04:32:49,492 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:32:49,881 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-11-07 04:33:03,850 WARN L194 SmtUtils]: Spent 9.96 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:33:13,894 WARN L194 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 1592 DAG size of output: 983 [2020-11-07 04:33:19,586 WARN L194 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 1060 DAG size of output: 722 [2020-11-07 04:33:24,485 WARN L194 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 1178 DAG size of output: 786 [2020-11-07 04:33:25,640 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:25,796 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:25,949 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:27,425 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:27,592 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:33:27,766 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:27,925 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:33:28,472 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-11-07 04:33:28,749 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:33:29,050 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:33:30,469 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:30,621 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:30,887 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 266 [2020-11-07 04:33:31,021 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 265 [2020-11-07 04:33:31,150 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 266 [2020-11-07 04:33:31,319 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 273 [2020-11-07 04:33:31,423 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-11-07 04:33:31,596 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 273 [2020-11-07 04:33:31,785 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 276 [2020-11-07 04:33:31,912 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:33:32,037 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:33:32,396 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 264 [2020-11-07 04:33:32,584 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 277 [2020-11-07 04:33:32,767 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 272 [2020-11-07 04:33:32,871 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:33:33,042 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 272 [2020-11-07 04:33:34,896 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:33:35,001 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:33:36,505 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:33:36,610 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:33:37,465 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 283 [2020-11-07 04:33:37,716 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:33:38,217 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:33:38,479 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 276 [2020-11-07 04:33:39,225 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 270 [2020-11-07 04:33:39,374 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 278 [2020-11-07 04:33:39,559 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 277 [2020-11-07 04:33:40,631 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:33:40,770 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 259 [2020-11-07 04:33:41,408 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 266 [2020-11-07 04:33:41,603 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 266 [2020-11-07 04:33:42,084 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 264 [2020-11-07 04:33:47,573 WARN L194 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 1178 DAG size of output: 786 [2020-11-07 04:33:50,304 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 284 [2020-11-07 04:33:50,433 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 284 [2020-11-07 04:33:51,692 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:33:59,588 WARN L194 SmtUtils]: Spent 7.57 s on a formula simplification. DAG size of input: 1374 DAG size of output: 880 [2020-11-07 04:34:07,351 WARN L194 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 1374 DAG size of output: 880 [2020-11-07 04:34:08,933 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 288 [2020-11-07 04:34:09,194 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 290 [2020-11-07 04:34:09,717 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 270 [2020-11-07 04:34:09,995 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2020-11-07 04:34:10,753 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 273 [2020-11-07 04:34:10,891 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:34:11,094 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2020-11-07 04:34:12,035 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 263 [2020-11-07 04:34:12,305 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 265 [2020-11-07 04:34:21,111 WARN L194 SmtUtils]: Spent 7.90 s on a formula simplification. DAG size of input: 594 DAG size of output: 52 [2020-11-07 04:34:26,616 WARN L194 SmtUtils]: Spent 5.48 s on a formula simplification. DAG size of input: 273 DAG size of output: 44 [2020-11-07 04:34:28,294 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 240 DAG size of output: 51 [2020-11-07 04:34:28,635 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:34:30,632 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2020-11-07 04:34:33,507 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 245 DAG size of output: 39 [2020-11-07 04:34:34,716 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 207 DAG size of output: 51 [2020-11-07 04:34:36,660 WARN L194 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 311 DAG size of output: 42 [2020-11-07 04:34:39,763 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 176 DAG size of output: 33 [2020-11-07 04:34:40,090 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-11-07 04:34:42,978 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 267 DAG size of output: 43 [2020-11-07 04:34:44,461 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 422 DAG size of output: 1 [2020-11-07 04:34:47,342 WARN L194 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 267 DAG size of output: 43 [2020-11-07 04:35:00,357 WARN L194 SmtUtils]: Spent 13.01 s on a formula simplification. DAG size of input: 780 DAG size of output: 55 [2020-11-07 04:35:08,188 WARN L194 SmtUtils]: Spent 7.82 s on a formula simplification. DAG size of input: 594 DAG size of output: 52 [2020-11-07 04:35:09,059 WARN L194 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 23 [2020-11-07 04:35:09,693 WARN L194 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 32 [2020-11-07 04:35:16,197 WARN L194 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 495 DAG size of output: 54 [2020-11-07 04:35:18,427 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 249 DAG size of output: 40 [2020-11-07 04:35:18,661 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-11-07 04:35:19,003 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:35:23,949 WARN L194 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 241 DAG size of output: 50 [2020-11-07 04:35:24,298 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:35:32,098 WARN L194 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 594 DAG size of output: 52 [2020-11-07 04:35:35,540 WARN L194 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 269 DAG size of output: 50 [2020-11-07 04:35:38,833 WARN L194 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-11-07 04:35:40,074 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 207 DAG size of output: 51 [2020-11-07 04:35:41,010 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2020-11-07 04:35:43,415 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 255 DAG size of output: 81 [2020-11-07 04:35:56,532 WARN L194 SmtUtils]: Spent 13.11 s on a formula simplification. DAG size of input: 780 DAG size of output: 55 [2020-11-07 04:35:58,894 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 264 DAG size of output: 53 [2020-11-07 04:35:59,271 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-11-07 04:36:01,517 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 286 DAG size of output: 74 [2020-11-07 04:36:02,452 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2020-11-07 04:36:05,015 WARN L194 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 300 DAG size of output: 72 [2020-11-07 04:36:05,347 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:36:05,710 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2020-11-07 04:36:08,992 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2020-11-07 04:36:10,706 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-11-07 04:36:16,931 WARN L194 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 404 DAG size of output: 60 [2020-11-07 04:36:30,037 WARN L194 SmtUtils]: Spent 13.10 s on a formula simplification. DAG size of input: 780 DAG size of output: 55 [2020-11-07 04:36:31,499 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 269 DAG size of output: 54 [2020-11-07 04:36:31,855 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-11-07 04:36:44,973 WARN L194 SmtUtils]: Spent 13.11 s on a formula simplification. DAG size of input: 780 DAG size of output: 55 [2020-11-07 04:36:45,761 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:36:49,241 WARN L194 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 238 DAG size of output: 47 [2020-11-07 04:36:50,649 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 259 DAG size of output: 42 [2020-11-07 04:36:54,306 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 241 DAG size of output: 51 [2020-11-07 04:36:57,142 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 246 DAG size of output: 47 [2020-11-07 04:36:57,935 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:37:00,042 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 302 DAG size of output: 50 [2020-11-07 04:37:10,478 WARN L194 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 703 DAG size of output: 57 [2020-11-07 04:37:11,408 WARN L194 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2020-11-07 04:37:11,675 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-11-07 04:37:12,479 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:37:15,153 WARN L194 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 229 DAG size of output: 47 [2020-11-07 04:37:17,520 WARN L194 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 264 DAG size of output: 53