/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:24:02,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:24:02,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:24:02,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:24:02,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:24:02,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:24:02,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:24:02,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:24:02,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:24:02,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:24:02,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:24:02,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:24:02,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:24:02,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:24:02,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:24:02,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:24:02,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:24:02,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:24:02,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:24:02,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:24:02,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:24:02,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:24:02,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:24:02,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:24:02,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:24:02,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:24:02,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:24:02,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:24:02,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:24:02,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:24:02,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:24:02,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:24:02,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:24:02,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:24:02,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:24:02,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:24:02,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:24:02,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:24:02,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:24:02,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:24:02,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:24:02,613 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 04:24:02,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:24:02,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:24:02,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:24:02,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:24:02,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:24:02,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:24:02,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:24:02,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:24:02,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:24:02,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:24:02,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:24:02,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:24:02,648 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:24:02,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:24:02,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:24:02,649 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:24:02,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:24:02,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:24:02,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:24:02,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:24:02,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:24:02,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:24:02,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:24:03,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:24:03,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:24:03,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:24:03,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:24:03,196 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:24:03,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-11-07 04:24:03,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec54287e/0ed030fae886449da0eb78bd7678afc8/FLAGfe6c7ba84 [2020-11-07 04:24:03,991 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:24:03,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-11-07 04:24:04,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec54287e/0ed030fae886449da0eb78bd7678afc8/FLAGfe6c7ba84 [2020-11-07 04:24:04,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ec54287e/0ed030fae886449da0eb78bd7678afc8 [2020-11-07 04:24:04,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:24:04,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:24:04,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:04,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:24:04,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:24:04,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af2d91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04, skipping insertion in model container [2020-11-07 04:24:04,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:24:04,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:24:04,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:04,689 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:24:04,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:04,862 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:24:04,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04 WrapperNode [2020-11-07 04:24:04,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:04,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:24:04,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:24:04,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:24:04,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:04,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:05,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:05,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (1/1) ... [2020-11-07 04:24:05,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:24:05,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:24:05,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:24:05,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:24:05,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (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 04:24:05,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:24:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:24:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:24:05,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:24:05,175 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:24:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:24:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:24:05,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:24:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:24:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:24:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:05,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:24:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:24:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:24:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:24:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:24:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:24:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:24:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:24:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:24:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:24:05,181 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:24:05,182 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:24:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:24:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:24:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:24:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:24:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:24:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:24:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:24:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:24:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:24:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:24:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:24:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:24:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:24:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:24:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:24:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:24:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:24:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:24:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:24:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:24:05,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:24:06,707 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:24:06,707 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:24:06,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:06 BoogieIcfgContainer [2020-11-07 04:24:06,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:24:06,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:24:06,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:24:06,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:24:06,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:24:04" (1/3) ... [2020-11-07 04:24:06,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dd207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:06, skipping insertion in model container [2020-11-07 04:24:06,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:04" (2/3) ... [2020-11-07 04:24:06,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dd207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:06, skipping insertion in model container [2020-11-07 04:24:06,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:06" (3/3) ... [2020-11-07 04:24:06,719 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-11-07 04:24:06,736 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:24:06,741 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:24:06,754 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:24:06,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:24:06,783 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:24:06,783 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:24:06,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:24:06,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:24:06,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:24:06,784 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:24:06,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:24:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-11-07 04:24:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:24:06,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:06,830 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 04:24:06,831 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 04:24:06,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:06,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1838554546, now seen corresponding path program 1 times [2020-11-07 04:24:06,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:06,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889861994] [2020-11-07 04:24:06,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,617 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:07,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:24:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:24:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:24:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:07,837 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 04:24:07,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889861994] [2020-11-07 04:24:07,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:07,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:24:07,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496133736] [2020-11-07 04:24:07,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:24:07,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:07,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:24:07,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:07,866 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 4 states. [2020-11-07 04:24:09,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:09,472 INFO L93 Difference]: Finished difference Result 505 states and 590 transitions. [2020-11-07 04:24:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:24:09,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:24:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:09,491 INFO L225 Difference]: With dead ends: 505 [2020-11-07 04:24:09,491 INFO L226 Difference]: Without dead ends: 318 [2020-11-07 04:24:09,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-07 04:24:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2020-11-07 04:24:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-07 04:24:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 297 transitions. [2020-11-07 04:24:09,695 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 297 transitions. Word has length 166 [2020-11-07 04:24:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:09,696 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 297 transitions. [2020-11-07 04:24:09,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:24:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 297 transitions. [2020-11-07 04:24:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:24:09,700 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:09,701 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 04:24:09,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:24:09,701 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 04:24:09,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:09,702 INFO L82 PathProgramCache]: Analyzing trace with hash 61293119, now seen corresponding path program 1 times [2020-11-07 04:24:09,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:09,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205197879] [2020-11-07 04:24:09,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,238 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:24:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:10,390 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 04:24:10,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205197879] [2020-11-07 04:24:10,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:10,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:24:10,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614746740] [2020-11-07 04:24:10,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:24:10,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:10,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:24:10,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:24:10,395 INFO L87 Difference]: Start difference. First operand 274 states and 297 transitions. Second operand 5 states. [2020-11-07 04:24:11,331 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:12,564 INFO L93 Difference]: Finished difference Result 431 states and 482 transitions. [2020-11-07 04:24:12,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:24:12,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:24:12,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:12,571 INFO L225 Difference]: With dead ends: 431 [2020-11-07 04:24:12,571 INFO L226 Difference]: Without dead ends: 307 [2020-11-07 04:24:12,573 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 04:24:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-11-07 04:24:12,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-11-07 04:24:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-11-07 04:24:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 284 transitions. [2020-11-07 04:24:12,705 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 284 transitions. Word has length 167 [2020-11-07 04:24:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:12,706 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 284 transitions. [2020-11-07 04:24:12,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:24:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 284 transitions. [2020-11-07 04:24:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 04:24:12,709 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:12,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:12,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:24:12,710 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 04:24:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1345086176, now seen corresponding path program 1 times [2020-11-07 04:24:12,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:12,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352656447] [2020-11-07 04:24:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,362 WARN L194 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:24:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-07 04:24:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:13,649 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 04:24:13,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352656447] [2020-11-07 04:24:13,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:13,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:13,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079176446] [2020-11-07 04:24:13,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:13,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:13,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:13,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:13,652 INFO L87 Difference]: Start difference. First operand 264 states and 284 transitions. Second operand 10 states. [2020-11-07 04:24:14,359 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:14,872 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:15,319 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:15,708 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:16,130 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:16,532 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:18,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:18,607 INFO L93 Difference]: Finished difference Result 451 states and 508 transitions. [2020-11-07 04:24:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:24:18,609 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-11-07 04:24:18,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:18,614 INFO L225 Difference]: With dead ends: 451 [2020-11-07 04:24:18,614 INFO L226 Difference]: Without dead ends: 307 [2020-11-07 04:24:18,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:24:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-11-07 04:24:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 264. [2020-11-07 04:24:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-11-07 04:24:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 283 transitions. [2020-11-07 04:24:18,728 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 283 transitions. Word has length 176 [2020-11-07 04:24:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:18,729 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 283 transitions. [2020-11-07 04:24:18,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 283 transitions. [2020-11-07 04:24:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-07 04:24:18,733 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:18,733 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] [2020-11-07 04:24:18,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:24:18,734 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 04:24:18,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:18,734 INFO L82 PathProgramCache]: Analyzing trace with hash 161612507, now seen corresponding path program 1 times [2020-11-07 04:24:18,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:18,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683039253] [2020-11-07 04:24:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,183 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:19,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-11-07 04:24:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-11-07 04:24:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:19,395 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 04:24:19,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683039253] [2020-11-07 04:24:19,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:19,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 04:24:19,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143050752] [2020-11-07 04:24:19,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 04:24:19,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:19,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 04:24:19,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:24:19,400 INFO L87 Difference]: Start difference. First operand 264 states and 283 transitions. Second operand 7 states. [2020-11-07 04:24:20,088 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:22,188 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:22,823 INFO L93 Difference]: Finished difference Result 593 states and 679 transitions. [2020-11-07 04:24:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:24:22,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-11-07 04:24:22,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:22,828 INFO L225 Difference]: With dead ends: 593 [2020-11-07 04:24:22,828 INFO L226 Difference]: Without dead ends: 449 [2020-11-07 04:24:22,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:24:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-11-07 04:24:23,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 379. [2020-11-07 04:24:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-11-07 04:24:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 410 transitions. [2020-11-07 04:24:23,026 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 410 transitions. Word has length 189 [2020-11-07 04:24:23,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:23,027 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 410 transitions. [2020-11-07 04:24:23,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 04:24:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-11-07 04:24:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-07 04:24:23,031 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:23,031 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] [2020-11-07 04:24:23,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:24:23,032 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 04:24:23,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:23,032 INFO L82 PathProgramCache]: Analyzing trace with hash 737245382, now seen corresponding path program 1 times [2020-11-07 04:24:23,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:23,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440275385] [2020-11-07 04:24:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,472 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-11-07 04:24:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:24:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:23,713 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 04:24:23,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440275385] [2020-11-07 04:24:23,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:23,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:23,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103929660] [2020-11-07 04:24:23,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:23,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:23,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:23,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:23,716 INFO L87 Difference]: Start difference. First operand 379 states and 410 transitions. Second operand 10 states. [2020-11-07 04:24:24,389 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:25,861 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:26,284 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:26,717 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:27,128 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:27,592 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:28,002 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:30,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:30,019 INFO L93 Difference]: Finished difference Result 926 states and 1091 transitions. [2020-11-07 04:24:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 04:24:30,020 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-11-07 04:24:30,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:30,025 INFO L225 Difference]: With dead ends: 926 [2020-11-07 04:24:30,025 INFO L226 Difference]: Without dead ends: 667 [2020-11-07 04:24:30,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:24:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-11-07 04:24:30,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 566. [2020-11-07 04:24:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-11-07 04:24:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 625 transitions. [2020-11-07 04:24:30,283 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 625 transitions. Word has length 213 [2020-11-07 04:24:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:30,284 INFO L481 AbstractCegarLoop]: Abstraction has 566 states and 625 transitions. [2020-11-07 04:24:30,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 625 transitions. [2020-11-07 04:24:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-07 04:24:30,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:30,289 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] [2020-11-07 04:24:30,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:24:30,290 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 04:24:30,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:30,290 INFO L82 PathProgramCache]: Analyzing trace with hash 46751241, now seen corresponding path program 1 times [2020-11-07 04:24:30,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:30,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297585063] [2020-11-07 04:24:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,732 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-11-07 04:24:30,865 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 199 [2020-11-07 04:24:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:30,951 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 04:24:30,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297585063] [2020-11-07 04:24:30,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:30,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:30,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802611635] [2020-11-07 04:24:30,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:30,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:30,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:30,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:30,954 INFO L87 Difference]: Start difference. First operand 566 states and 625 transitions. Second operand 10 states. [2020-11-07 04:24:31,678 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:32,734 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:33,139 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:34,280 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:34,685 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:35,155 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:35,835 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:36,234 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:36,606 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:37,441 INFO L93 Difference]: Finished difference Result 1106 states and 1272 transitions. [2020-11-07 04:24:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:24:37,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-11-07 04:24:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:37,448 INFO L225 Difference]: With dead ends: 1106 [2020-11-07 04:24:37,448 INFO L226 Difference]: Without dead ends: 660 [2020-11-07 04:24:37,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:24:37,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-11-07 04:24:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 564. [2020-11-07 04:24:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-11-07 04:24:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 619 transitions. [2020-11-07 04:24:37,644 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 619 transitions. Word has length 213 [2020-11-07 04:24:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:37,645 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 619 transitions. [2020-11-07 04:24:37,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 619 transitions. [2020-11-07 04:24:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-07 04:24:37,648 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:37,649 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:37,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:24:37,649 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 04:24:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:37,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1696080223, now seen corresponding path program 1 times [2020-11-07 04:24:37,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:37,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738028410] [2020-11-07 04:24:37,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,029 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:38,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 04:24:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-07 04:24:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:38,304 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 04:24:38,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738028410] [2020-11-07 04:24:38,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:38,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:38,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370778927] [2020-11-07 04:24:38,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:38,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:38,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:38,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:38,306 INFO L87 Difference]: Start difference. First operand 564 states and 619 transitions. Second operand 10 states. [2020-11-07 04:24:39,998 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:40,401 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:40,816 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:24:41,213 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:41,623 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:42,017 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:43,221 INFO L93 Difference]: Finished difference Result 1110 states and 1270 transitions. [2020-11-07 04:24:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:24:43,222 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2020-11-07 04:24:43,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:43,227 INFO L225 Difference]: With dead ends: 1110 [2020-11-07 04:24:43,227 INFO L226 Difference]: Without dead ends: 666 [2020-11-07 04:24:43,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:24:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-11-07 04:24:43,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 580. [2020-11-07 04:24:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-11-07 04:24:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 635 transitions. [2020-11-07 04:24:43,447 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 635 transitions. Word has length 214 [2020-11-07 04:24:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:43,448 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 635 transitions. [2020-11-07 04:24:43,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 635 transitions. [2020-11-07 04:24:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-07 04:24:43,452 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:43,452 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:43,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:24:43,453 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 04:24:43,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:43,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2109711615, now seen corresponding path program 1 times [2020-11-07 04:24:43,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:43,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424286247] [2020-11-07 04:24:43,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,855 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:43,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:44,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 04:24:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:44,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-07 04:24:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:44,131 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 04:24:44,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424286247] [2020-11-07 04:24:44,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:44,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 04:24:44,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149872543] [2020-11-07 04:24:44,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:24:44,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:24:44,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:24:44,135 INFO L87 Difference]: Start difference. First operand 580 states and 635 transitions. Second operand 13 states. [2020-11-07 04:24:44,929 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:45,370 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:45,784 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:46,167 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:46,540 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:47,736 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:48,083 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:48,492 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:48,894 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:49,272 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:50,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:50,683 INFO L93 Difference]: Finished difference Result 1023 states and 1165 transitions. [2020-11-07 04:24:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:24:50,688 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-11-07 04:24:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:50,693 INFO L225 Difference]: With dead ends: 1023 [2020-11-07 04:24:50,693 INFO L226 Difference]: Without dead ends: 563 [2020-11-07 04:24:50,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:24:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-11-07 04:24:50,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 494. [2020-11-07 04:24:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-11-07 04:24:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 530 transitions. [2020-11-07 04:24:50,930 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 530 transitions. Word has length 214 [2020-11-07 04:24:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:50,930 INFO L481 AbstractCegarLoop]: Abstraction has 494 states and 530 transitions. [2020-11-07 04:24:50,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:24:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 530 transitions. [2020-11-07 04:24:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-07 04:24:50,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:50,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:50,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:24:50,936 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 04:24:50,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:50,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1188437743, now seen corresponding path program 1 times [2020-11-07 04:24:50,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:50,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599009849] [2020-11-07 04:24:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,551 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:51,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:24:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:24:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-11-07 04:24:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-11-07 04:24:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,824 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 04:24:51,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599009849] [2020-11-07 04:24:51,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:51,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:24:51,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052509959] [2020-11-07 04:24:51,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:24:51,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:51,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:24:51,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:24:51,827 INFO L87 Difference]: Start difference. First operand 494 states and 530 transitions. Second operand 14 states. [2020-11-07 04:24:52,881 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:24:53,938 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:56,032 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:24:56,802 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:24:57,281 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:57,683 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:58,435 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:24:58,825 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:59,254 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:59,641 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:01,505 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:01,893 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:02,317 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:03,154 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:25:04,834 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:25:05,632 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:25:06,419 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:25:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:06,798 INFO L93 Difference]: Finished difference Result 1351 states and 1528 transitions. [2020-11-07 04:25:06,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:25:06,799 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2020-11-07 04:25:06,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:06,805 INFO L225 Difference]: With dead ends: 1351 [2020-11-07 04:25:06,805 INFO L226 Difference]: Without dead ends: 1077 [2020-11-07 04:25:06,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:25:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-11-07 04:25:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 979. [2020-11-07 04:25:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2020-11-07 04:25:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1056 transitions. [2020-11-07 04:25:07,306 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1056 transitions. Word has length 219 [2020-11-07 04:25:07,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:07,306 INFO L481 AbstractCegarLoop]: Abstraction has 979 states and 1056 transitions. [2020-11-07 04:25:07,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:25:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1056 transitions. [2020-11-07 04:25:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-07 04:25:07,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:07,309 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:07,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:25:07,309 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 04:25:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash -656878068, now seen corresponding path program 1 times [2020-11-07 04:25:07,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:07,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [156471308] [2020-11-07 04:25:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,751 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-11-07 04:25:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:25:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-11-07 04:25:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-11-07 04:25:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-11-07 04:25:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 04:25:08,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [156471308] [2020-11-07 04:25:08,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:08,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:25:08,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648928387] [2020-11-07 04:25:08,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:25:08,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:08,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:25:08,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:25:08,315 INFO L87 Difference]: Start difference. First operand 979 states and 1056 transitions. Second operand 18 states. [2020-11-07 04:25:09,089 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:09,635 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:10,076 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:25:10,507 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:10,927 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:25:11,331 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:12,425 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:12,880 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:13,289 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:14,013 WARN L194 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:25:15,103 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:15,791 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:16,260 WARN L194 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:25:17,920 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:25:18,704 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:25:19,158 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:25:19,902 WARN L194 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:25:20,456 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:21,430 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:22,265 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:22,781 WARN L194 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:25:23,686 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:25:24,514 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:25:26,010 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:25:26,459 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:27,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:27,729 INFO L93 Difference]: Finished difference Result 2085 states and 2306 transitions. [2020-11-07 04:25:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-11-07 04:25:27,730 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2020-11-07 04:25:27,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:27,739 INFO L225 Difference]: With dead ends: 2085 [2020-11-07 04:25:27,739 INFO L226 Difference]: Without dead ends: 1324 [2020-11-07 04:25:27,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1192 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=842, Invalid=3714, Unknown=0, NotChecked=0, Total=4556 [2020-11-07 04:25:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-11-07 04:25:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1183. [2020-11-07 04:25:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-07 04:25:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1286 transitions. [2020-11-07 04:25:28,325 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1286 transitions. Word has length 301 [2020-11-07 04:25:28,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:28,326 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1286 transitions. [2020-11-07 04:25:28,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:25:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1286 transitions. [2020-11-07 04:25:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-11-07 04:25:28,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:28,333 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:28,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:25:28,334 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 04:25:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1434981102, now seen corresponding path program 1 times [2020-11-07 04:25:28,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:28,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929398254] [2020-11-07 04:25:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,791 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:28,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:25:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-11-07 04:25:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:25:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-11-07 04:25:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-11-07 04:25:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-11-07 04:25:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-11-07 04:25:29,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929398254] [2020-11-07 04:25:29,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:29,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:25:29,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731494755] [2020-11-07 04:25:29,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:25:29,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:29,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:25:29,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:25:29,476 INFO L87 Difference]: Start difference. First operand 1183 states and 1286 transitions. Second operand 16 states. [2020-11-07 04:25:30,274 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:31,668 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:35,513 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:35,970 WARN L194 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:36,441 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:36,895 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:37,331 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:37,819 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:38,291 WARN L194 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:38,759 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:39,204 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:39,656 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:40,106 WARN L194 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:40,565 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:41,400 WARN L194 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2020-11-07 04:25:41,847 WARN L194 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:42,645 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:25:43,128 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:43,613 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:44,059 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:45,716 INFO L93 Difference]: Finished difference Result 3217 states and 3564 transitions. [2020-11-07 04:25:45,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-11-07 04:25:45,717 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 463 [2020-11-07 04:25:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:45,730 INFO L225 Difference]: With dead ends: 3217 [2020-11-07 04:25:45,730 INFO L226 Difference]: Without dead ends: 2167 [2020-11-07 04:25:45,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=490, Invalid=1960, Unknown=0, NotChecked=0, Total=2450 [2020-11-07 04:25:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2020-11-07 04:25:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2081. [2020-11-07 04:25:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2020-11-07 04:25:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2248 transitions. [2020-11-07 04:25:46,973 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2248 transitions. Word has length 463 [2020-11-07 04:25:46,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:46,974 INFO L481 AbstractCegarLoop]: Abstraction has 2081 states and 2248 transitions. [2020-11-07 04:25:46,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:25:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2248 transitions. [2020-11-07 04:25:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-07 04:25:46,982 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:46,982 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:46,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:25:46,983 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 04:25:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:46,983 INFO L82 PathProgramCache]: Analyzing trace with hash -252733901, now seen corresponding path program 1 times [2020-11-07 04:25:46,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:46,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135760004] [2020-11-07 04:25:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,442 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:25:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:25:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-11-07 04:25:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-11-07 04:25:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-11-07 04:25:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-11-07 04:25:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:25:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:25:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 111 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-11-07 04:25:48,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135760004] [2020-11-07 04:25:48,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:48,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:25:48,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014600684] [2020-11-07 04:25:48,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:25:48,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:48,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:25:48,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:25:48,259 INFO L87 Difference]: Start difference. First operand 2081 states and 2248 transitions. Second operand 22 states. [2020-11-07 04:25:49,104 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:49,704 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:50,150 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:50,591 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:51,026 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:51,445 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:52,723 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:57,044 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:57,476 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:57,926 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:58,353 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:58,775 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:59,197 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:59,672 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:00,169 WARN L194 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:00,612 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:01,087 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:01,507 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:01,941 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:02,760 WARN L194 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:03,554 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:26:04,309 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:06,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:06,128 INFO L93 Difference]: Finished difference Result 3858 states and 4234 transitions. [2020-11-07 04:26:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-11-07 04:26:06,128 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 468 [2020-11-07 04:26:06,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:06,142 INFO L225 Difference]: With dead ends: 3858 [2020-11-07 04:26:06,142 INFO L226 Difference]: Without dead ends: 2138 [2020-11-07 04:26:06,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=814, Invalid=3608, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:26:06,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-11-07 04:26:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1947. [2020-11-07 04:26:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2020-11-07 04:26:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2100 transitions. [2020-11-07 04:26:07,138 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2100 transitions. Word has length 468 [2020-11-07 04:26:07,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:07,139 INFO L481 AbstractCegarLoop]: Abstraction has 1947 states and 2100 transitions. [2020-11-07 04:26:07,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:26:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2100 transitions. [2020-11-07 04:26:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-07 04:26:07,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:07,147 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:07,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:26:07,147 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 04:26:07,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:07,148 INFO L82 PathProgramCache]: Analyzing trace with hash -490205245, now seen corresponding path program 2 times [2020-11-07 04:26:07,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:07,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784599128] [2020-11-07 04:26:07,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,564 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:07,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-11-07 04:26:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-11-07 04:26:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-11-07 04:26:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-11-07 04:26:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:26:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:26:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-07 04:26:08,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784599128] [2020-11-07 04:26:08,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:08,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:26:08,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369619501] [2020-11-07 04:26:08,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:26:08,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:08,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:26:08,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:26:08,177 INFO L87 Difference]: Start difference. First operand 1947 states and 2100 transitions. Second operand 17 states. [2020-11-07 04:26:10,363 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:10,790 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:11,188 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:11,591 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:11,972 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:12,347 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:14,969 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:15,379 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:17,080 INFO L93 Difference]: Finished difference Result 5149 states and 5777 transitions. [2020-11-07 04:26:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 04:26:17,081 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 468 [2020-11-07 04:26:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:17,098 INFO L225 Difference]: With dead ends: 5149 [2020-11-07 04:26:17,098 INFO L226 Difference]: Without dead ends: 3068 [2020-11-07 04:26:17,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=455, Invalid=1615, Unknown=0, NotChecked=0, Total=2070 [2020-11-07 04:26:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2020-11-07 04:26:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2490. [2020-11-07 04:26:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2020-11-07 04:26:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 2725 transitions. [2020-11-07 04:26:18,278 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 2725 transitions. Word has length 468 [2020-11-07 04:26:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:18,280 INFO L481 AbstractCegarLoop]: Abstraction has 2490 states and 2725 transitions. [2020-11-07 04:26:18,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:26:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2725 transitions. [2020-11-07 04:26:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2020-11-07 04:26:18,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:18,289 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:18,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:26:18,290 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 04:26:18,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:18,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1652902826, now seen corresponding path program 1 times [2020-11-07 04:26:18,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:18,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123168038] [2020-11-07 04:26:18,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,723 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:18,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:18,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-11-07 04:26:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 04:26:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:19,063 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 2 [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 1 [2020-11-07 04:26:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2020-11-07 04:26:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:19,078 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 413 [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 04:26:19,085 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 04:26:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:26:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-11-07 04:26:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 128 proven. 39 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-11-07 04:26:19,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123168038] [2020-11-07 04:26:19,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:19,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:26:19,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169406098] [2020-11-07 04:26:19,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:26:19,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:19,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:26:19,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:26:19,245 INFO L87 Difference]: Start difference. First operand 2490 states and 2725 transitions. Second operand 19 states. [2020-11-07 04:26:20,003 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:20,553 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:20,959 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:21,361 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:21,759 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:22,142 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:23,202 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:23,684 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:24,942 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:25,602 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:26,062 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:26,500 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:27,576 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:28,010 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:29,346 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:29,749 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:30,167 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:31,705 INFO L93 Difference]: Finished difference Result 4790 states and 5333 transitions. [2020-11-07 04:26:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:26:31,706 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 478 [2020-11-07 04:26:31,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:31,720 INFO L225 Difference]: With dead ends: 4790 [2020-11-07 04:26:31,720 INFO L226 Difference]: Without dead ends: 2661 [2020-11-07 04:26:31,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2020-11-07 04:26:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-07 04:26:32,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2424. [2020-11-07 04:26:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2424 states. [2020-11-07 04:26:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 2628 transitions. [2020-11-07 04:26:32,787 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 2628 transitions. Word has length 478 [2020-11-07 04:26:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:32,787 INFO L481 AbstractCegarLoop]: Abstraction has 2424 states and 2628 transitions. [2020-11-07 04:26:32,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:26:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2628 transitions. [2020-11-07 04:26:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2020-11-07 04:26:32,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:32,797 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:32,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:26:32,797 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 04:26:32,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:32,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1850827594, now seen corresponding path program 1 times [2020-11-07 04:26:32,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:32,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706484028] [2020-11-07 04:26:32,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,267 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:26:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:26:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2020-11-07 04:26:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:26:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-11-07 04:26:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2020-11-07 04:26:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 138 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-11-07 04:26:33,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706484028] [2020-11-07 04:26:33,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:33,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:26:33,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091323838] [2020-11-07 04:26:33,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:26:33,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:33,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:26:33,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:26:33,983 INFO L87 Difference]: Start difference. First operand 2424 states and 2628 transitions. Second operand 18 states. [2020-11-07 04:26:34,711 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:37,169 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:37,617 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:38,375 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:38,765 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:39,510 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:26:39,909 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:40,660 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:41,064 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:41,478 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:41,863 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:42,235 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:44,610 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:45,018 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:47,583 INFO L93 Difference]: Finished difference Result 4890 states and 5494 transitions. [2020-11-07 04:26:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:26:47,587 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 479 [2020-11-07 04:26:47,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:47,605 INFO L225 Difference]: With dead ends: 4890 [2020-11-07 04:26:47,606 INFO L226 Difference]: Without dead ends: 3630 [2020-11-07 04:26:47,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=712, Invalid=3194, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:26:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2020-11-07 04:26:49,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 2992. [2020-11-07 04:26:49,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2992 states. [2020-11-07 04:26:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 3248 transitions. [2020-11-07 04:26:49,076 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 3248 transitions. Word has length 479 [2020-11-07 04:26:49,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:49,077 INFO L481 AbstractCegarLoop]: Abstraction has 2992 states and 3248 transitions. [2020-11-07 04:26:49,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:26:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3248 transitions. [2020-11-07 04:26:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-11-07 04:26:49,087 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:49,087 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:49,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:26:49,087 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 04:26:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash 12243472, now seen corresponding path program 1 times [2020-11-07 04:26:49,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:49,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577492777] [2020-11-07 04:26:49,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,505 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:26:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:26:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-11-07 04:26:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-11-07 04:26:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-11-07 04:26:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:26:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:49,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-11-07 04:26:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-11-07 04:26:50,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577492777] [2020-11-07 04:26:50,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:50,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:26:50,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725458762] [2020-11-07 04:26:50,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:26:50,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:26:50,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:26:50,166 INFO L87 Difference]: Start difference. First operand 2992 states and 3248 transitions. Second operand 18 states. [2020-11-07 04:26:50,914 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:52,809 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:54,001 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:54,429 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:55,211 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:26:55,654 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:56,439 WARN L194 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:26:56,848 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:57,591 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:26:58,388 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:26:59,214 WARN L194 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:26:59,999 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:27:00,371 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:02,793 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:03,207 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:04,146 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:05,456 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:05,879 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:06,656 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:07,044 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:07,874 WARN L194 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:08,270 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:09,019 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:09,451 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:09,908 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:27:10,322 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:14,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:14,790 INFO L93 Difference]: Finished difference Result 6586 states and 7516 transitions. [2020-11-07 04:27:14,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-11-07 04:27:14,790 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 494 [2020-11-07 04:27:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:14,815 INFO L225 Difference]: With dead ends: 6586 [2020-11-07 04:27:14,815 INFO L226 Difference]: Without dead ends: 5015 [2020-11-07 04:27:14,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 141 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2989 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=1471, Invalid=7271, Unknown=0, NotChecked=0, Total=8742 [2020-11-07 04:27:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5015 states. [2020-11-07 04:27:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5015 to 3828. [2020-11-07 04:27:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-11-07 04:27:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4166 transitions. [2020-11-07 04:27:16,625 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4166 transitions. Word has length 494 [2020-11-07 04:27:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:16,626 INFO L481 AbstractCegarLoop]: Abstraction has 3828 states and 4166 transitions. [2020-11-07 04:27:16,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:27:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4166 transitions. [2020-11-07 04:27:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2020-11-07 04:27:16,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:16,639 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:16,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:27:16,639 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 04:27:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:16,640 INFO L82 PathProgramCache]: Analyzing trace with hash 260003469, now seen corresponding path program 2 times [2020-11-07 04:27:16,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:16,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [100930345] [2020-11-07 04:27:16,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,081 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:17,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:27:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-11-07 04:27:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:27:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:27:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:27:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-11-07 04:27:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-11-07 04:27:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-11-07 04:27:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-11-07 04:27:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 212 proven. 64 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2020-11-07 04:27:17,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [100930345] [2020-11-07 04:27:17,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:17,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:17,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904514610] [2020-11-07 04:27:17,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:17,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:17,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:17,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:17,914 INFO L87 Difference]: Start difference. First operand 3828 states and 4166 transitions. Second operand 19 states. [2020-11-07 04:27:18,650 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:19,746 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:20,822 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:21,941 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:22,364 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:23,133 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:23,542 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:24,343 WARN L194 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:27:24,754 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:25,480 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:30,097 INFO L93 Difference]: Finished difference Result 6776 states and 7553 transitions. [2020-11-07 04:27:30,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:27:30,098 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 577 [2020-11-07 04:27:30,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:30,118 INFO L225 Difference]: With dead ends: 6776 [2020-11-07 04:27:30,118 INFO L226 Difference]: Without dead ends: 4308 [2020-11-07 04:27:30,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 148 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=635, Invalid=2445, Unknown=0, NotChecked=0, Total=3080 [2020-11-07 04:27:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2020-11-07 04:27:31,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 3661. [2020-11-07 04:27:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3661 states. [2020-11-07 04:27:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 3661 states and 3948 transitions. [2020-11-07 04:27:31,952 INFO L78 Accepts]: Start accepts. Automaton has 3661 states and 3948 transitions. Word has length 577 [2020-11-07 04:27:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:31,953 INFO L481 AbstractCegarLoop]: Abstraction has 3661 states and 3948 transitions. [2020-11-07 04:27:31,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:27:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 3948 transitions. [2020-11-07 04:27:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-07 04:27:31,964 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:31,965 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:31,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:27:31,968 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 04:27:31,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:31,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1095397267, now seen corresponding path program 2 times [2020-11-07 04:27:31,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:31,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946464130] [2020-11-07 04:27:31,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,425 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:32,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:27:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-11-07 04:27:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:27:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:27:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:27:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-11-07 04:27:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:27:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-07 04:27:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-11-07 04:27:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-11-07 04:27:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:33,241 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-11-07 04:27:33,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946464130] [2020-11-07 04:27:33,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:33,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:33,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340681712] [2020-11-07 04:27:33,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:33,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:33,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:33,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:33,243 INFO L87 Difference]: Start difference. First operand 3661 states and 3948 transitions. Second operand 19 states. [2020-11-07 04:27:33,997 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:35,139 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:36,247 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:37,367 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:37,796 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:38,584 WARN L194 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:38,995 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:39,817 WARN L194 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:27:40,224 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:40,970 WARN L194 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:43,637 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:44,582 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:45,007 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:45,778 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:46,579 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:47,372 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:51,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:51,122 INFO L93 Difference]: Finished difference Result 7241 states and 8039 transitions. [2020-11-07 04:27:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-11-07 04:27:51,123 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 592 [2020-11-07 04:27:51,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:51,141 INFO L225 Difference]: With dead ends: 7241 [2020-11-07 04:27:51,142 INFO L226 Difference]: Without dead ends: 4940 [2020-11-07 04:27:51,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 163 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1742 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1148, Invalid=4402, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:27:51,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2020-11-07 04:27:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4137. [2020-11-07 04:27:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4137 states. [2020-11-07 04:27:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 4137 states and 4459 transitions. [2020-11-07 04:27:53,138 INFO L78 Accepts]: Start accepts. Automaton has 4137 states and 4459 transitions. Word has length 592 [2020-11-07 04:27:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:53,139 INFO L481 AbstractCegarLoop]: Abstraction has 4137 states and 4459 transitions. [2020-11-07 04:27:53,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:27:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 4459 transitions. [2020-11-07 04:27:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-07 04:27:53,150 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:53,150 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:53,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:27:53,151 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 04:27:53,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2115681122, now seen corresponding path program 1 times [2020-11-07 04:27:53,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:53,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581604743] [2020-11-07 04:27:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,796 WARN L194 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:27:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:27:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:27:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-11-07 04:27:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:27:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:27:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-11-07 04:27:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:27:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-07 04:27:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-11-07 04:27:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-11-07 04:27:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 187 proven. 144 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-11-07 04:27:54,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581604743] [2020-11-07 04:27:54,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:54,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:27:54,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333241473] [2020-11-07 04:27:54,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:27:54,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:54,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:27:54,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:27:54,857 INFO L87 Difference]: Start difference. First operand 4137 states and 4459 transitions. Second operand 24 states. [2020-11-07 04:27:56,138 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:27:58,043 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:28:00,933 WARN L194 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:28:01,847 WARN L194 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:28:02,795 WARN L194 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:03,582 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:28:04,417 WARN L194 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:28:05,230 WARN L194 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:28:06,043 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:06,878 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:07,769 WARN L194 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:08,543 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:11,566 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:28:13,242 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:14,150 WARN L194 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:28:15,023 WARN L194 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:15,876 WARN L194 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:28:16,689 WARN L194 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:20,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:20,261 INFO L93 Difference]: Finished difference Result 6932 states and 7585 transitions. [2020-11-07 04:28:20,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-11-07 04:28:20,261 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 592 [2020-11-07 04:28:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:20,264 INFO L225 Difference]: With dead ends: 6932 [2020-11-07 04:28:20,264 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:28:20,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 11 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=790, Invalid=4910, Unknown=0, NotChecked=0, Total=5700 [2020-11-07 04:28:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:28:20,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:28:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:28:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:28:20,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 592 [2020-11-07 04:28:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:20,283 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:28:20,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:28:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:28:20,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:28:20,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:28:20,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:28:21,212 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-11-07 04:28:21,621 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-11-07 04:28:22,060 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:28:22,251 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-11-07 04:28:22,692 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:28:22,974 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:28:23,380 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:28:23,534 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-11-07 04:28:23,972 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-11-07 04:28:25,138 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-11-07 04:28:25,306 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 251 [2020-11-07 04:28:26,024 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-11-07 04:28:27,578 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:28:27,825 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-11-07 04:28:28,405 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2020-11-07 04:28:28,748 WARN L194 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-11-07 04:28:28,981 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 262 [2020-11-07 04:28:29,126 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 271 [2020-11-07 04:28:30,066 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 270 [2020-11-07 04:28:32,660 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:28:33,204 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 261 [2020-11-07 04:28:33,662 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:28:34,019 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 275 [2020-11-07 04:28:35,940 WARN L194 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-11-07 04:28:37,180 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:28:37,461 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-11-07 04:28:37,586 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:28:38,970 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 264 [2020-11-07 04:28:41,753 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-11-07 04:28:42,176 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:28:42,440 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:28:42,593 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-11-07 04:28:46,196 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 262 [2020-11-07 04:28:46,434 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-11-07 04:28:47,547 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 258 [2020-11-07 04:28:47,997 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 42 [2020-11-07 04:28:48,287 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-11-07 04:28:48,784 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:28:48,962 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-11-07 04:28:49,364 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 281 [2020-11-07 04:28:49,732 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2020-11-07 04:28:49,895 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 266 [2020-11-07 04:28:50,052 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-11-07 04:28:51,074 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 276 [2020-11-07 04:28:51,657 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 254 [2020-11-07 04:28:51,786 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-11-07 04:28:54,020 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:28:54,245 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:28:54,823 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:28:55,689 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:28:57,495 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-11-07 04:28:57,921 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:28:58,280 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:28:58,528 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-11-07 04:28:58,641 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-11-07 04:29:01,302 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-11-07 04:29:01,539 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:29:01,692 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:29:03,042 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:29:03,210 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:29:07,393 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 663 DAG size of output: 481 [2020-11-07 04:29:10,457 WARN L194 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:29:13,451 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:29:15,370 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-11-07 04:29:16,644 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 34 [2020-11-07 04:29:16,926 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 42 [2020-11-07 04:29:17,211 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 36 [2020-11-07 04:29:17,315 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 34 [2020-11-07 04:29:18,274 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:29:18,440 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:29:19,781 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:29:20,127 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:29:22,127 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:22,279 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:29:22,538 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2020-11-07 04:29:22,686 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:29:23,122 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:24,432 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-11-07 04:29:24,533 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-11-07 04:29:24,859 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:25,068 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:25,268 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:29:27,854 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:29:28,352 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-11-07 04:29:29,338 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-11-07 04:29:31,565 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 589 DAG size of output: 385 [2020-11-07 04:29:32,594 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:29:34,979 WARN L194 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:29:37,411 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:29:40,168 WARN L194 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-11-07 04:29:41,076 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:29:41,428 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 275 [2020-11-07 04:29:44,809 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-11-07 04:29:44,952 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:29:45,179 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:29:47,286 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-11-07 04:29:48,278 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-11-07 04:29:49,403 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:29:49,880 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:50,049 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:51,238 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:51,458 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:29:54,188 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:29:55,057 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:29:55,913 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-11-07 04:29:56,382 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 262 [2020-11-07 04:30:02,657 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:30:03,693 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:30:04,751 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 575 DAG size of output: 338 [2020-11-07 04:30:05,207 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2020-11-07 04:30:05,527 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:30:05,898 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:30:07,463 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 262 [2020-11-07 04:30:12,499 WARN L194 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:30:12,982 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2020-11-07 04:30:13,295 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 260 [2020-11-07 04:30:13,673 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:30:15,235 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 262 [2020-11-07 04:30:17,965 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:30:24,123 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-11-07 04:30:24,328 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-11-07 04:30:24,473 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-07 04:30:24,616 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-07 04:30:24,816 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-11-07 04:30:25,133 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-11-07 04:30:25,282 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-11-07 04:30:25,713 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:30:25,912 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 258 [2020-11-07 04:30:27,420 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 256 [2020-11-07 04:30:27,643 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 258 [2020-11-07 04:30:28,336 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:30:28,554 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:30:30,225 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:30:30,446 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:30:30,601 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:30:30,777 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:30:34,353 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 672 DAG size of output: 474 [2020-11-07 04:30:34,831 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 259 [2020-11-07 04:30:35,078 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 260 [2020-11-07 04:30:39,044 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 752 DAG size of output: 554 [2020-11-07 04:30:42,120 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-11-07 04:30:43,050 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:30:45,514 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:30:45,692 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 275 [2020-11-07 04:30:46,092 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 281 [2020-11-07 04:30:46,463 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 284 [2020-11-07 04:30:46,620 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 266 [2020-11-07 04:30:46,779 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2020-11-07 04:30:47,779 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 276 [2020-11-07 04:30:54,038 WARN L194 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 275 DAG size of output: 50 [2020-11-07 04:30:54,608 WARN L194 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:30:57,239 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-11-07 04:30:58,443 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-11-07 04:30:59,061 WARN L194 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 28 [2020-11-07 04:30:59,480 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-07 04:31:02,166 WARN L194 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 247 DAG size of output: 39 [2020-11-07 04:31:03,190 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:31:09,610 WARN L194 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 484 DAG size of output: 48 [2020-11-07 04:31:12,371 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 243 DAG size of output: 41 [2020-11-07 04:31:13,461 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:31:17,131 WARN L194 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 287 DAG size of output: 51 [2020-11-07 04:31:20,623 WARN L194 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-11-07 04:31:23,277 WARN L194 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 244 DAG size of output: 47 [2020-11-07 04:31:26,504 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 306 DAG size of output: 50 [2020-11-07 04:31:30,753 WARN L194 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 262 DAG size of output: 50 [2020-11-07 04:31:33,838 WARN L194 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-11-07 04:31:34,551 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:31:34,835 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-07 04:31:36,490 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 420 DAG size of output: 1 [2020-11-07 04:31:38,587 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 239 DAG size of output: 49 [2020-11-07 04:31:42,509 WARN L194 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 256 DAG size of output: 46 [2020-11-07 04:31:43,389 WARN L194 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 22 [2020-11-07 04:31:45,617 WARN L194 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2020-11-07 04:31:52,522 WARN L194 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 495 DAG size of output: 56 [2020-11-07 04:31:55,437 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-11-07 04:31:57,352 WARN L194 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 252 DAG size of output: 41 [2020-11-07 04:31:57,742 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-07 04:31:58,290 WARN L194 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:32:01,775 WARN L194 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 269 DAG size of output: 43 [2020-11-07 04:32:04,663 WARN L194 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-11-07 04:32:04,863 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-11-07 04:32:09,933 WARN L194 SmtUtils]: Spent 5.06 s on a formula simplification. DAG size of input: 248 DAG size of output: 48 [2020-11-07 04:32:11,601 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 420 DAG size of output: 1 [2020-11-07 04:32:13,074 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 263 DAG size of output: 41 [2020-11-07 04:32:13,393 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:32:13,728 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-11-07 04:32:16,411 WARN L194 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 307 DAG size of output: 50 [2020-11-07 04:32:19,409 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-11-07 04:32:21,541 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 263 DAG size of output: 79 [2020-11-07 04:32:22,800 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-11-07 04:32:23,993 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-11-07 04:32:24,538 WARN L194 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:32:27,289 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 230 DAG size of output: 42 [2020-11-07 04:32:29,535 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 255 DAG size of output: 76 [2020-11-07 04:32:30,848 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 236 DAG size of output: 39 [2020-11-07 04:32:31,281 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-07 04:32:35,202 WARN L194 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 391 DAG size of output: 50 [2020-11-07 04:32:38,263 WARN L194 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-11-07 04:32:39,868 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-11-07 04:32:40,252 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-11-07 04:32:44,207 WARN L194 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:32:45,468 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 42 [2020-11-07 04:32:48,207 WARN L194 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 247 DAG size of output: 46 [2020-11-07 04:32:52,181 WARN L194 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:32:52,887 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:32:53,604 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:32:55,647 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 233 DAG size of output: 41 [2020-11-07 04:32:55,938 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-11-07 04:32:59,703 WARN L194 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 271 DAG size of output: 47 [2020-11-07 04:33:01,975 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 264 DAG size of output: 49 [2020-11-07 04:33:02,268 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-11-07 04:33:02,828 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:33:07,747 WARN L194 SmtUtils]: Spent 4.90 s on a formula simplification. DAG size of input: 275 DAG size of output: 50 [2020-11-07 04:33:10,602 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-11-07 04:33:11,875 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 42 [2020-11-07 04:33:14,030 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-11-07 04:33:15,721 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 241 DAG size of output: 47 [2020-11-07 04:33:21,257 WARN L194 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 425 DAG size of output: 64 [2020-11-07 04:33:25,242 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:33:28,196 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 177 DAG size of output: 35 [2020-11-07 04:33:32,542 WARN L194 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 278 DAG size of output: 48 [2020-11-07 04:33:33,036 WARN L194 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-11-07 04:33:36,184 WARN L194 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2020-11-07 04:33:37,307 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:33:41,528 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:33:45,767 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:33:48,393 WARN L194 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 303 DAG size of output: 71 [2020-11-07 04:33:52,139 WARN L194 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 268 DAG size of output: 47 [2020-11-07 04:33:55,895 WARN L194 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-11-07 04:33:59,872 WARN L194 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 287 DAG size of output: 51 [2020-11-07 04:34:01,755 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 227 DAG size of output: 20 [2020-11-07 04:34:03,335 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 218 DAG size of output: 47 [2020-11-07 04:34:03,641 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-07 04:34:07,405 WARN L194 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-11-07 04:34:08,006 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:34:08,385 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2020-11-07 04:34:11,662 WARN L194 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2020-11-07 04:34:12,033 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-11-07 04:34:16,851 WARN L194 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 244 DAG size of output: 48 [2020-11-07 04:34:17,223 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-11-07 04:34:21,755 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 278 DAG size of output: 48 [2020-11-07 04:34:22,118 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-11-07 04:34:23,233 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:34:25,863 WARN L194 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 71 [2020-11-07 04:34:29,262 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 321 DAG size of output: 47 [2020-11-07 04:34:31,538 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-11-07 04:34:33,737 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 279 DAG size of output: 72 [2020-11-07 04:34:34,056 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-07 04:34:37,282 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2020-11-07 04:34:39,384 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 229 DAG size of output: 30 [2020-11-07 04:34:39,759 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:34:43,525 WARN L194 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 269 DAG size of output: 43 [2020-11-07 04:34:46,252 WARN L194 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 243 DAG size of output: 34 [2020-11-07 04:34:49,249 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 287 DAG size of output: 40 [2020-11-07 04:34:51,072 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 246 DAG size of output: 35 [2020-11-07 04:34:53,332 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-11-07 04:34:56,339 WARN L194 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 247 DAG size of output: 53 [2020-11-07 04:34:59,838 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 242 DAG size of output: 47 [2020-11-07 04:35:03,351 WARN L194 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 242 DAG size of output: 47 [2020-11-07 04:35:06,708 WARN L194 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 239 DAG size of output: 45 [2020-11-07 04:35:07,010 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-07 04:35:07,226 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-11-07 04:35:11,487 WARN L194 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:35:12,608 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:35:12,959 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:35:14,085 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 231 DAG size of output: 49 [2020-11-07 04:35:20,480 WARN L194 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 406 DAG size of output: 57 [2020-11-07 04:35:20,771 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 1 [2020-11-07 04:35:24,676 WARN L194 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 259 DAG size of output: 46 [2020-11-07 04:35:25,956 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 265 DAG size of output: 44 [2020-11-07 04:35:26,278 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:35:30,281 WARN L194 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:35:31,001 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:35:37,034 WARN L194 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 406 DAG size of output: 57 [2020-11-07 04:35:41,087 WARN L194 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:35:45,168 WARN L194 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 262 DAG size of output: 50 [2020-11-07 04:35:47,913 WARN L194 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 247 DAG size of output: 46 [2020-11-07 04:35:50,098 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 249 DAG size of output: 42 [2020-11-07 04:35:55,227 WARN L194 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 48 [2020-11-07 04:35:59,187 WARN L194 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 259 DAG size of output: 46 [2020-11-07 04:36:02,778 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 310 DAG size of output: 40 [2020-11-07 04:36:06,683 WARN L194 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 262 DAG size of output: 52 [2020-11-07 04:36:08,480 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 261 DAG size of output: 71 [2020-11-07 04:36:08,866 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-11-07 04:36:09,207 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-11-07 04:36:09,765 WARN L194 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2020-11-07 04:36:10,155 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:36:15,062 WARN L194 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 344 DAG size of output: 48 [2020-11-07 04:36:19,114 WARN L194 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 241 DAG size of output: 48 [2020-11-07 04:36:19,477 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-11-07 04:36:23,050 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 374 DAG size of output: 50 [2020-11-07 04:36:23,493 WARN L194 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2020-11-07 04:36:24,211 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:36:29,490 WARN L194 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 412 DAG size of output: 53 [2020-11-07 04:36:33,493 WARN L194 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 409 DAG size of output: 50 [2020-11-07 04:36:33,633 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2020-11-07 04:36:33,955 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:36:36,230 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 255 DAG size of output: 76 [2020-11-07 04:36:36,553 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-11-07 04:36:37,271 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-11-07 04:36:39,988 WARN L194 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 231 DAG size of output: 44 [2020-11-07 04:36:40,344 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-11-07 04:36:43,340 WARN L194 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 237 DAG size of output: 52 [2020-11-07 04:36:46,201 WARN L194 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-11-07 04:36:49,025 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 234 DAG size of output: 49 [2020-11-07 04:36:52,080 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 303 DAG size of output: 42 [2020-11-07 04:36:55,169 WARN L194 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 271 DAG size of output: 44 [2020-11-07 04:36:58,083 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 177 DAG size of output: 35