/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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:21:29,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:21:29,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:21:29,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:21:29,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:21:29,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:21:29,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:21:29,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:21:29,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:21:29,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:21:29,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:21:29,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:21:29,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:21:29,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:21:29,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:21:29,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:21:29,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:21:29,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:21:29,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:21:29,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:21:29,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:21:29,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:21:29,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:21:29,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:21:29,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:21:29,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:21:29,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:21:29,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:21:29,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:21:29,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:21:29,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:21:29,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:21:29,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:21:29,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:21:29,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:21:29,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:21:29,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:21:29,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:21:29,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:21:29,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:21:29,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:21:29,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:21:29,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:21:29,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:21:29,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:21:29,540 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:21:29,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:21:29,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:21:29,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:21:29,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:21:29,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:21:29,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:21:29,543 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:21:29,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:21:29,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:21:29,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:21:29,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:21:29,544 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:21:29,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:21:29,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:21:29,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:21:29,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:21:29,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:21:29,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:21:29,546 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:21:29,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:21:30,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:21:30,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:21:30,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:21:30,013 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:21:30,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-10-24 00:21:30,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1904088/ef6c733aa9434b5098935e41ca84bc47/FLAGd5d12b824 [2020-10-24 00:21:30,779 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:21:30,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-10-24 00:21:30,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1904088/ef6c733aa9434b5098935e41ca84bc47/FLAGd5d12b824 [2020-10-24 00:21:31,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca1904088/ef6c733aa9434b5098935e41ca84bc47 [2020-10-24 00:21:31,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:21:31,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:21:31,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:21:31,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:21:31,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:21:31,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bccc332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31, skipping insertion in model container [2020-10-24 00:21:31,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:21:31,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:21:31,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:21:31,591 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:21:31,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:21:31,748 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:21:31,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31 WrapperNode [2020-10-24 00:21:31,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:21:31,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:21:31,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:21:31,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:21:31,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... [2020-10-24 00:21:31,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:21:31,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:21:31,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:21:31,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:21:31,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:21:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:21:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:21:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:21:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:21:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:21:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:21:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:21:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:21:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:21:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:21:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:21:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:21:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:21:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:21:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:21:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:21:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:21:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-24 00:21:32,018 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:21:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:21:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:21:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:21:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:21:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:21:32,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:21:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:21:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:21:32,022 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:21:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:21:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:21:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:21:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:21:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:21:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:21:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-24 00:21:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:21:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:21:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:21:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:21:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:21:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:21:33,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:21:33,158 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:21:33,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:21:33 BoogieIcfgContainer [2020-10-24 00:21:33,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:21:33,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:21:33,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:21:33,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:21:33,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:21:31" (1/3) ... [2020-10-24 00:21:33,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6291aa5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:21:33, skipping insertion in model container [2020-10-24 00:21:33,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:21:31" (2/3) ... [2020-10-24 00:21:33,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6291aa5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:21:33, skipping insertion in model container [2020-10-24 00:21:33,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:21:33" (3/3) ... [2020-10-24 00:21:33,170 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-10-24 00:21:33,182 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:21:33,188 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:21:33,203 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:21:33,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:21:33,228 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:21:33,228 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:21:33,229 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:21:33,229 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:21:33,229 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:21:33,229 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:21:33,229 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:21:33,253 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-10-24 00:21:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:21:33,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:33,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:33,276 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:21:33,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:33,283 INFO L82 PathProgramCache]: Analyzing trace with hash 401473132, now seen corresponding path program 1 times [2020-10-24 00:21:33,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:33,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480102320] [2020-10-24 00:21:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,080 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:21:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:21:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:21:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:21:34,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480102320] [2020-10-24 00:21:34,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:21:34,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:21:34,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112664047] [2020-10-24 00:21:34,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:21:34,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:34,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:21:34,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:21:34,298 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2020-10-24 00:21:36,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:36,211 INFO L93 Difference]: Finished difference Result 579 states and 677 transitions. [2020-10-24 00:21:36,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:21:36,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:21:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:36,232 INFO L225 Difference]: With dead ends: 579 [2020-10-24 00:21:36,232 INFO L226 Difference]: Without dead ends: 357 [2020-10-24 00:21:36,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:21:36,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-10-24 00:21:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 309. [2020-10-24 00:21:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-24 00:21:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 337 transitions. [2020-10-24 00:21:36,470 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 337 transitions. Word has length 166 [2020-10-24 00:21:36,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:36,471 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 337 transitions. [2020-10-24 00:21:36,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:21:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 337 transitions. [2020-10-24 00:21:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:21:36,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:36,476 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:36,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:21:36,477 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:21:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:36,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1999582169, now seen corresponding path program 1 times [2020-10-24 00:21:36,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:36,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590492763] [2020-10-24 00:21:36,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,021 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:37,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:21:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:21:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:21:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:21:37,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [590492763] [2020-10-24 00:21:37,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:21:37,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:21:37,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802737023] [2020-10-24 00:21:37,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:21:37,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:37,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:21:37,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:21:37,185 INFO L87 Difference]: Start difference. First operand 309 states and 337 transitions. Second operand 5 states. [2020-10-24 00:21:38,183 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:39,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:39,885 INFO L93 Difference]: Finished difference Result 501 states and 565 transitions. [2020-10-24 00:21:39,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:21:39,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:21:39,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:39,891 INFO L225 Difference]: With dead ends: 501 [2020-10-24 00:21:39,892 INFO L226 Difference]: Without dead ends: 346 [2020-10-24 00:21:39,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:21:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-10-24 00:21:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 299. [2020-10-24 00:21:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-24 00:21:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 324 transitions. [2020-10-24 00:21:40,045 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 324 transitions. Word has length 167 [2020-10-24 00:21:40,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:40,046 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 324 transitions. [2020-10-24 00:21:40,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:21:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 324 transitions. [2020-10-24 00:21:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-24 00:21:40,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:40,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:40,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:21:40,050 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:21:40,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:40,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1254989826, now seen corresponding path program 1 times [2020-10-24 00:21:40,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:40,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824359009] [2020-10-24 00:21:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,637 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:40,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:21:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:21:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-24 00:21:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-24 00:21:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:40,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:21:40,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824359009] [2020-10-24 00:21:40,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:21:40,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:21:40,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566766297] [2020-10-24 00:21:40,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:21:40,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:40,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:21:40,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:21:40,866 INFO L87 Difference]: Start difference. First operand 299 states and 324 transitions. Second operand 11 states. [2020-10-24 00:21:41,579 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:21:42,119 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:42,548 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:21:43,013 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:21:43,464 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:21:43,868 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:21:46,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:46,458 INFO L93 Difference]: Finished difference Result 548 states and 630 transitions. [2020-10-24 00:21:46,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:21:46,459 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-24 00:21:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:46,464 INFO L225 Difference]: With dead ends: 548 [2020-10-24 00:21:46,464 INFO L226 Difference]: Without dead ends: 369 [2020-10-24 00:21:46,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:21:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-24 00:21:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 299. [2020-10-24 00:21:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-24 00:21:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2020-10-24 00:21:46,587 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 180 [2020-10-24 00:21:46,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:46,588 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2020-10-24 00:21:46,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:21:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2020-10-24 00:21:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-24 00:21:46,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:46,592 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] [2020-10-24 00:21:46,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:21:46,593 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:21:46,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:46,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1233429295, now seen corresponding path program 1 times [2020-10-24 00:21:46,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:46,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426425231] [2020-10-24 00:21:46,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,096 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:21:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:21:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:21:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-24 00:21:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-24 00:21:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:21:47,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426425231] [2020-10-24 00:21:47,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:21:47,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:21:47,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433820395] [2020-10-24 00:21:47,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:21:47,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:47,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:21:47,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:21:47,344 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 8 states. [2020-10-24 00:21:48,117 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:21:50,701 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:52,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:21:52,004 INFO L93 Difference]: Finished difference Result 745 states and 884 transitions. [2020-10-24 00:21:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:21:52,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-10-24 00:21:52,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:21:52,011 INFO L225 Difference]: With dead ends: 745 [2020-10-24 00:21:52,011 INFO L226 Difference]: Without dead ends: 566 [2020-10-24 00:21:52,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:21:52,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-24 00:21:52,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 426. [2020-10-24 00:21:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-24 00:21:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 460 transitions. [2020-10-24 00:21:52,204 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 460 transitions. Word has length 198 [2020-10-24 00:21:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:21:52,205 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 460 transitions. [2020-10-24 00:21:52,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:21:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 460 transitions. [2020-10-24 00:21:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-24 00:21:52,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:21:52,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:21:52,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:21:52,209 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:21:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:21:52,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1149252770, now seen corresponding path program 1 times [2020-10-24 00:21:52,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:21:52,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034195437] [2020-10-24 00:21:52,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:21:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,606 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:21:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:21:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:21:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:21:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:21:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:21:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:21:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:21:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:21:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:21:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:21:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:21:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:21:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-24 00:21:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-24 00:21:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:21:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:21:52,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034195437] [2020-10-24 00:21:52,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:21:52,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:21:52,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469603889] [2020-10-24 00:21:52,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:21:52,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:21:52,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:21:52,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:21:52,908 INFO L87 Difference]: Start difference. First operand 426 states and 460 transitions. Second operand 14 states. [2020-10-24 00:21:53,756 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:21:54,182 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:21:54,603 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:55,004 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:55,395 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:56,797 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:57,208 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:57,631 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:21:58,075 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:21:58,473 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:00,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:22:00,545 INFO L93 Difference]: Finished difference Result 875 states and 1030 transitions. [2020-10-24 00:22:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:22:00,546 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 222 [2020-10-24 00:22:00,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:22:00,550 INFO L225 Difference]: With dead ends: 875 [2020-10-24 00:22:00,551 INFO L226 Difference]: Without dead ends: 569 [2020-10-24 00:22:00,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:22:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-24 00:22:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 432. [2020-10-24 00:22:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-24 00:22:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 466 transitions. [2020-10-24 00:22:00,728 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 466 transitions. Word has length 222 [2020-10-24 00:22:00,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:22:00,729 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 466 transitions. [2020-10-24 00:22:00,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:22:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 466 transitions. [2020-10-24 00:22:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-24 00:22:00,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:22:00,732 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:22:00,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:22:00,733 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:22:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:22:00,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1211581506, now seen corresponding path program 1 times [2020-10-24 00:22:00,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:22:00,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732468279] [2020-10-24 00:22:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:22:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,196 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:22:01,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:22:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:22:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:22:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:22:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:22:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:22:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:22:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:22:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:22:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-24 00:22:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-24 00:22:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:22:01,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732468279] [2020-10-24 00:22:01,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:22:01,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:22:01,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887731393] [2020-10-24 00:22:01,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:22:01,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:22:01,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:22:01,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:22:01,453 INFO L87 Difference]: Start difference. First operand 432 states and 466 transitions. Second operand 11 states. [2020-10-24 00:22:02,260 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:03,444 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:03,863 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:22:05,130 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:05,604 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:06,092 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:06,990 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:07,398 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:22:07,806 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:22:09,114 INFO L93 Difference]: Finished difference Result 881 states and 1023 transitions. [2020-10-24 00:22:09,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-24 00:22:09,115 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-10-24 00:22:09,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:22:09,120 INFO L225 Difference]: With dead ends: 881 [2020-10-24 00:22:09,120 INFO L226 Difference]: Without dead ends: 569 [2020-10-24 00:22:09,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-10-24 00:22:09,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-10-24 00:22:09,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 431. [2020-10-24 00:22:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-10-24 00:22:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 463 transitions. [2020-10-24 00:22:09,278 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 463 transitions. Word has length 222 [2020-10-24 00:22:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:22:09,278 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 463 transitions. [2020-10-24 00:22:09,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:22:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 463 transitions. [2020-10-24 00:22:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 00:22:09,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:22:09,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:22:09,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:22:09,283 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:22:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:22:09,283 INFO L82 PathProgramCache]: Analyzing trace with hash 300550162, now seen corresponding path program 1 times [2020-10-24 00:22:09,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:22:09,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506786300] [2020-10-24 00:22:09,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:22:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,687 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:22:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:22:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:22:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:22:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:22:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:22:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:22:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:22:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:22:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:22:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:22:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-24 00:22:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:22:09,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506786300] [2020-10-24 00:22:09,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:22:09,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-24 00:22:09,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868979412] [2020-10-24 00:22:09,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:22:09,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:22:09,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:22:09,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:22:09,920 INFO L87 Difference]: Start difference. First operand 431 states and 463 transitions. Second operand 11 states. [2020-10-24 00:22:11,719 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:12,140 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:22:12,587 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:22:13,005 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:13,426 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:22:13,823 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:22:15,525 INFO L93 Difference]: Finished difference Result 882 states and 1020 transitions. [2020-10-24 00:22:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:22:15,526 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 223 [2020-10-24 00:22:15,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:22:15,531 INFO L225 Difference]: With dead ends: 882 [2020-10-24 00:22:15,531 INFO L226 Difference]: Without dead ends: 571 [2020-10-24 00:22:15,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:22:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-24 00:22:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 439. [2020-10-24 00:22:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-10-24 00:22:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 471 transitions. [2020-10-24 00:22:15,753 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 471 transitions. Word has length 223 [2020-10-24 00:22:15,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:22:15,754 INFO L481 AbstractCegarLoop]: Abstraction has 439 states and 471 transitions. [2020-10-24 00:22:15,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:22:15,754 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 471 transitions. [2020-10-24 00:22:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 00:22:15,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:22:15,758 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:22:15,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:22:15,758 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:22:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:22:15,759 INFO L82 PathProgramCache]: Analyzing trace with hash 280933333, now seen corresponding path program 1 times [2020-10-24 00:22:15,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:22:15,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [557515114] [2020-10-24 00:22:15,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:22:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,125 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:22:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:22:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:22:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:22:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:22:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:22:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:22:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:22:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:22:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:22:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:22:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-24 00:22:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:22:16,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [557515114] [2020-10-24 00:22:16,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:22:16,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 00:22:16,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281237323] [2020-10-24 00:22:16,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:22:16,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:22:16,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:22:16,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:22:16,349 INFO L87 Difference]: Start difference. First operand 439 states and 471 transitions. Second operand 8 states. [2020-10-24 00:22:17,088 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:17,944 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:22:21,563 INFO L93 Difference]: Finished difference Result 1231 states and 1477 transitions. [2020-10-24 00:22:21,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-24 00:22:21,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-10-24 00:22:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:22:21,571 INFO L225 Difference]: With dead ends: 1231 [2020-10-24 00:22:21,571 INFO L226 Difference]: Without dead ends: 912 [2020-10-24 00:22:21,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:22:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-24 00:22:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 704. [2020-10-24 00:22:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-10-24 00:22:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 775 transitions. [2020-10-24 00:22:21,948 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 775 transitions. Word has length 223 [2020-10-24 00:22:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:22:21,949 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 775 transitions. [2020-10-24 00:22:21,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:22:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 775 transitions. [2020-10-24 00:22:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-24 00:22:21,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:22:21,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:22:21,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:22:21,954 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:22:21,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:22:21,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1866390823, now seen corresponding path program 1 times [2020-10-24 00:22:21,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:22:21,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334142788] [2020-10-24 00:22:21,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:22:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,498 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:22:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:22:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:22:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:22:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:22:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:22:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:22:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:22:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:22:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 00:22:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:22:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-24 00:22:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-24 00:22:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:22:22,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334142788] [2020-10-24 00:22:22,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:22:22,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:22:22,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147278304] [2020-10-24 00:22:22,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:22:22,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:22:22,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:22:22,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:22:22,804 INFO L87 Difference]: Start difference. First operand 704 states and 775 transitions. Second operand 15 states. [2020-10-24 00:22:23,949 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:22:25,088 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:27,666 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:22:28,491 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:22:28,953 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:29,373 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:22:30,179 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:22:30,593 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:31,055 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:22:31,463 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:34,383 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:34,787 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:22:35,292 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:36,258 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:22:38,705 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:22:39,525 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:22:40,539 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:22:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:22:41,709 INFO L93 Difference]: Finished difference Result 2195 states and 2625 transitions. [2020-10-24 00:22:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:22:41,710 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-10-24 00:22:41,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:22:41,721 INFO L225 Difference]: With dead ends: 2195 [2020-10-24 00:22:41,721 INFO L226 Difference]: Without dead ends: 1723 [2020-10-24 00:22:41,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-10-24 00:22:41,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2020-10-24 00:22:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1277. [2020-10-24 00:22:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-24 00:22:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1395 transitions. [2020-10-24 00:22:42,372 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1395 transitions. Word has length 228 [2020-10-24 00:22:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:22:42,373 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1395 transitions. [2020-10-24 00:22:42,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:22:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1395 transitions. [2020-10-24 00:22:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-24 00:22:42,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:22:42,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:22:42,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:22:42,378 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:22:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:22:42,378 INFO L82 PathProgramCache]: Analyzing trace with hash -925020510, now seen corresponding path program 1 times [2020-10-24 00:22:42,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:22:42,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549672867] [2020-10-24 00:22:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:22:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,861 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:22:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:22:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:22:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:22:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:22:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:42,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:22:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:22:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:22:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:22:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:22:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:22:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:22:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-24 00:22:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:22:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:22:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-24 00:22:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:22:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:22:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:22:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:22:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:22:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-24 00:22:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-10-24 00:22:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:22:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-24 00:22:43,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549672867] [2020-10-24 00:22:43,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:22:43,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:22:43,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134593972] [2020-10-24 00:22:43,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:22:43,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:22:43,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:22:43,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:22:43,492 INFO L87 Difference]: Start difference. First operand 1277 states and 1395 transitions. Second operand 19 states. [2020-10-24 00:22:44,423 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:22:45,000 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:22:45,447 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:22:45,894 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:22:46,337 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:22:46,794 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:22:48,169 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:22:48,635 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:22:49,086 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:22:49,863 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:22:51,182 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:22:51,925 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:22:52,438 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:22:54,776 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:22:55,611 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:22:56,096 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:22:56,906 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:22:57,488 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:22:58,513 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:22:59,329 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:22:59,861 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:23:01,207 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:02,027 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:23:02,938 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:23:04,237 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:23:05,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:23:05,821 INFO L93 Difference]: Finished difference Result 3041 states and 3513 transitions. [2020-10-24 00:23:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-10-24 00:23:05,822 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 342 [2020-10-24 00:23:05,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:23:05,834 INFO L225 Difference]: With dead ends: 3041 [2020-10-24 00:23:05,835 INFO L226 Difference]: Without dead ends: 1991 [2020-10-24 00:23:05,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-10-24 00:23:05,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2020-10-24 00:23:06,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1508. [2020-10-24 00:23:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2020-10-24 00:23:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1654 transitions. [2020-10-24 00:23:06,630 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1654 transitions. Word has length 342 [2020-10-24 00:23:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:23:06,631 INFO L481 AbstractCegarLoop]: Abstraction has 1508 states and 1654 transitions. [2020-10-24 00:23:06,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:23:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1654 transitions. [2020-10-24 00:23:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-24 00:23:06,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:23:06,641 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:23:06,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:23:06,641 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:23:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:23:06,642 INFO L82 PathProgramCache]: Analyzing trace with hash -58296604, now seen corresponding path program 1 times [2020-10-24 00:23:06,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:23:06,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030140623] [2020-10-24 00:23:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:23:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,094 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:23:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:23:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:23:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:23:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:23:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:23:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:23:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:23:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:23:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:23:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:23:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:23:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:23:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:23:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:23:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-10-24 00:23:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-24 00:23:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:23:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-10-24 00:23:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-10-24 00:23:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-10-24 00:23:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:23:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:23:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-10-24 00:23:07,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030140623] [2020-10-24 00:23:07,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:23:07,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:23:07,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550133436] [2020-10-24 00:23:07,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:23:07,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:23:07,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:23:07,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:23:07,882 INFO L87 Difference]: Start difference. First operand 1508 states and 1654 transitions. Second operand 17 states. [2020-10-24 00:23:08,720 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:23:10,234 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:23:15,509 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:15,965 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:16,438 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:16,888 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:23:17,329 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:17,777 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:23:18,229 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:18,676 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:19,119 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:23:19,578 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:20,026 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:23:20,463 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:23:21,340 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:23:21,789 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:23:22,599 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:23:23,062 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:23:23,568 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:23:24,012 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:23:27,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:23:27,665 INFO L93 Difference]: Finished difference Result 4901 states and 5703 transitions. [2020-10-24 00:23:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-24 00:23:27,666 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-10-24 00:23:27,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:23:27,686 INFO L225 Difference]: With dead ends: 4901 [2020-10-24 00:23:27,686 INFO L226 Difference]: Without dead ends: 3526 [2020-10-24 00:23:27,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=795, Invalid=3237, Unknown=0, NotChecked=0, Total=4032 [2020-10-24 00:23:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2020-10-24 00:23:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 2846. [2020-10-24 00:23:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2020-10-24 00:23:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3103 transitions. [2020-10-24 00:23:29,208 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3103 transitions. Word has length 517 [2020-10-24 00:23:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:23:29,210 INFO L481 AbstractCegarLoop]: Abstraction has 2846 states and 3103 transitions. [2020-10-24 00:23:29,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:23:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3103 transitions. [2020-10-24 00:23:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-10-24 00:23:29,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:23:29,223 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:23:29,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:23:29,223 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:23:29,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:23:29,224 INFO L82 PathProgramCache]: Analyzing trace with hash 550161305, now seen corresponding path program 1 times [2020-10-24 00:23:29,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:23:29,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845304866] [2020-10-24 00:23:29,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:23:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,673 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:23:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:23:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:23:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:23:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:23:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:23:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:23:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:23:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:23:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-24 00:23:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:23:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:23:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-24 00:23:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-24 00:23:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:29,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:23:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:23:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-24 00:23:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-24 00:23:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:23:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-24 00:23:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-10-24 00:23:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-10-24 00:23:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-10-24 00:23:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-10-24 00:23:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-10-24 00:23:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 116 proven. 20 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-10-24 00:23:30,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845304866] [2020-10-24 00:23:30,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:23:30,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-24 00:23:30,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132090077] [2020-10-24 00:23:30,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-24 00:23:30,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:23:30,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-24 00:23:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:23:30,633 INFO L87 Difference]: Start difference. First operand 2846 states and 3103 transitions. Second operand 23 states. [2020-10-24 00:23:31,484 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:23:32,062 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:23:32,505 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:23:32,989 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:33,421 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:23:33,838 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:35,262 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:23:41,728 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:42,184 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:42,663 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:43,172 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:43,622 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:44,073 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:44,502 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:44,960 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:45,408 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:45,931 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:46,377 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:23:46,880 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:23:47,723 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:23:48,582 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:23:49,387 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:23:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:23:53,818 INFO L93 Difference]: Finished difference Result 6311 states and 7356 transitions. [2020-10-24 00:23:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-10-24 00:23:53,823 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 526 [2020-10-24 00:23:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:23:53,845 INFO L225 Difference]: With dead ends: 6311 [2020-10-24 00:23:53,845 INFO L226 Difference]: Without dead ends: 3852 [2020-10-24 00:23:53,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1824 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-10-24 00:23:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2020-10-24 00:23:55,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2596. [2020-10-24 00:23:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2020-10-24 00:23:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 2826 transitions. [2020-10-24 00:23:55,142 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 2826 transitions. Word has length 526 [2020-10-24 00:23:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:23:55,143 INFO L481 AbstractCegarLoop]: Abstraction has 2596 states and 2826 transitions. [2020-10-24 00:23:55,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-24 00:23:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 2826 transitions. [2020-10-24 00:23:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-10-24 00:23:55,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:23:55,153 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:23:55,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:23:55,153 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:23:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:23:55,154 INFO L82 PathProgramCache]: Analyzing trace with hash -320428141, now seen corresponding path program 1 times [2020-10-24 00:23:55,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:23:55,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419923484] [2020-10-24 00:23:55,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:23:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,568 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:23:55,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:23:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:23:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:23:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:23:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:23:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:23:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:23:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:23:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:23:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:23:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:23:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:23:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:23:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:23:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-24 00:23:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-10-24 00:23:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-24 00:23:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:23:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:23:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:23:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:23:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:23:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-10-24 00:23:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-10-24 00:23:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:23:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-10-24 00:23:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:23:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:23:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:23:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-24 00:23:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-10-24 00:23:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:23:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-24 00:23:56,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419923484] [2020-10-24 00:23:56,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:23:56,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:23:56,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393196661] [2020-10-24 00:23:56,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:23:56,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:23:56,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:23:56,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:23:56,332 INFO L87 Difference]: Start difference. First operand 2596 states and 2826 transitions. Second operand 18 states. [2020-10-24 00:23:59,392 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:23:59,822 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:00,251 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:00,729 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:01,137 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:01,546 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:05,535 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:05,997 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:24:10,185 INFO L93 Difference]: Finished difference Result 8953 states and 10881 transitions. [2020-10-24 00:24:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:24:10,186 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 522 [2020-10-24 00:24:10,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:24:10,221 INFO L225 Difference]: With dead ends: 8953 [2020-10-24 00:24:10,221 INFO L226 Difference]: Without dead ends: 5935 [2020-10-24 00:24:10,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 135 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=823, Invalid=3083, Unknown=0, NotChecked=0, Total=3906 [2020-10-24 00:24:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2020-10-24 00:24:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 3332. [2020-10-24 00:24:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3332 states. [2020-10-24 00:24:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 3679 transitions. [2020-10-24 00:24:11,758 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 3679 transitions. Word has length 522 [2020-10-24 00:24:11,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:24:11,759 INFO L481 AbstractCegarLoop]: Abstraction has 3332 states and 3679 transitions. [2020-10-24 00:24:11,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:24:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 3679 transitions. [2020-10-24 00:24:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-10-24 00:24:11,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:11,770 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:24:11,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:24:11,770 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:24:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:11,771 INFO L82 PathProgramCache]: Analyzing trace with hash -256203700, now seen corresponding path program 1 times [2020-10-24 00:24:11,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:11,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225001815] [2020-10-24 00:24:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,218 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:12,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:24:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:24:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:24:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:24:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:24:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:24:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:24:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:24:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:24:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:24:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:24:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:24:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:24:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:24:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:24:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-10-24 00:24:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-10-24 00:24:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-10-24 00:24:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:24:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:24:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:24:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:24:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:24:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-10-24 00:24:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-10-24 00:24:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-10-24 00:24:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:24:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-10-24 00:24:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-10-24 00:24:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 133 proven. 45 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-10-24 00:24:12,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225001815] [2020-10-24 00:24:12,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:24:12,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-24 00:24:12,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775456283] [2020-10-24 00:24:12,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-24 00:24:12,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:12,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-24 00:24:12,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-24 00:24:12,913 INFO L87 Difference]: Start difference. First operand 3332 states and 3679 transitions. Second operand 20 states. [2020-10-24 00:24:13,738 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:14,301 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:14,742 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:24:15,187 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:15,622 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:24:16,117 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:17,663 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:18,092 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:19,655 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:20,372 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:20,895 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:21,474 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:23,575 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:24,007 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:26,104 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:26,585 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:27,002 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:24:30,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:24:30,304 INFO L93 Difference]: Finished difference Result 7938 states and 9473 transitions. [2020-10-24 00:24:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 00:24:30,305 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 532 [2020-10-24 00:24:30,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:24:30,336 INFO L225 Difference]: With dead ends: 7938 [2020-10-24 00:24:30,336 INFO L226 Difference]: Without dead ends: 4993 [2020-10-24 00:24:30,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=957, Invalid=4013, Unknown=0, NotChecked=0, Total=4970 [2020-10-24 00:24:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2020-10-24 00:24:32,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 3201. [2020-10-24 00:24:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3201 states. [2020-10-24 00:24:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 3506 transitions. [2020-10-24 00:24:32,361 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 3506 transitions. Word has length 532 [2020-10-24 00:24:32,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:24:32,362 INFO L481 AbstractCegarLoop]: Abstraction has 3201 states and 3506 transitions. [2020-10-24 00:24:32,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-24 00:24:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3506 transitions. [2020-10-24 00:24:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-10-24 00:24:32,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:24:32,372 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:24:32,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:24:32,373 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:24:32,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:24:32,373 INFO L82 PathProgramCache]: Analyzing trace with hash -666400926, now seen corresponding path program 1 times [2020-10-24 00:24:32,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:24:32,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591857776] [2020-10-24 00:24:32,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:24:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,815 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:24:32,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:24:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:24:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:24:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:24:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:24:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:24:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:24:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:24:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:24:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:24:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:24:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:24:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:24:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:24:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:24:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:24:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:24:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:24:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:24:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:24:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-10-24 00:24:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-10-24 00:24:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-10-24 00:24:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:24:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:24:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:24:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:24:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:24:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-10-24 00:24:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-10-24 00:24:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:24:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-10-24 00:24:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:24:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:24:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:24:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-10-24 00:24:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:24:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:24:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 137 proven. 66 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-10-24 00:24:33,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591857776] [2020-10-24 00:24:33,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:24:33,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:24:33,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175214785] [2020-10-24 00:24:33,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:24:33,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:24:33,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:24:33,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:24:33,667 INFO L87 Difference]: Start difference. First operand 3201 states and 3506 transitions. Second operand 18 states. [2020-10-24 00:24:34,486 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:36,785 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:38,154 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:38,613 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:39,453 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:24:39,893 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:40,762 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:24:41,194 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:41,981 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:24:42,805 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:24:43,695 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-10-24 00:24:44,502 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:24:44,904 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:48,504 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:48,971 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:50,682 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:24:52,081 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:24:52,572 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:24:53,432 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:24:53,866 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:24:54,717 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:24:55,171 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:24:56,023 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:24:56,500 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:24:57,024 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:24:57,512 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:25:04,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:04,751 INFO L93 Difference]: Finished difference Result 9370 states and 11464 transitions. [2020-10-24 00:25:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2020-10-24 00:25:04,752 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 533 [2020-10-24 00:25:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:04,793 INFO L225 Difference]: With dead ends: 9370 [2020-10-24 00:25:04,793 INFO L226 Difference]: Without dead ends: 7433 [2020-10-24 00:25:04,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 166 SyntacticMatches, 10 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4348 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=1982, Invalid=10008, Unknown=0, NotChecked=0, Total=11990 [2020-10-24 00:25:04,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7433 states. [2020-10-24 00:25:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7433 to 4562. [2020-10-24 00:25:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2020-10-24 00:25:06,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 4961 transitions. [2020-10-24 00:25:06,999 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 4961 transitions. Word has length 533 [2020-10-24 00:25:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:06,999 INFO L481 AbstractCegarLoop]: Abstraction has 4562 states and 4961 transitions. [2020-10-24 00:25:07,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:25:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 4961 transitions. [2020-10-24 00:25:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-10-24 00:25:07,015 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:07,016 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:07,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:25:07,016 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:07,016 INFO L82 PathProgramCache]: Analyzing trace with hash -891987200, now seen corresponding path program 1 times [2020-10-24 00:25:07,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:07,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434535396] [2020-10-24 00:25:07,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,502 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:07,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:25:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:25:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:25:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:25:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:25:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:25:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:25:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:25:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:25:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:25:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:25:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-10-24 00:25:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-10-24 00:25:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-10-24 00:25:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:25:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:25:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:25:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:25:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:25:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-24 00:25:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:07,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-10-24 00:25:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:25:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-24 00:25:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-24 00:25:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-10-24 00:25:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-10-24 00:25:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2020-10-24 00:25:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-10-24 00:25:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2020-10-24 00:25:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 181 proven. 87 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-10-24 00:25:08,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434535396] [2020-10-24 00:25:08,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:25:08,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:25:08,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658535426] [2020-10-24 00:25:08,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:25:08,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:08,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:25:08,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:25:08,327 INFO L87 Difference]: Start difference. First operand 4562 states and 4961 transitions. Second operand 18 states. [2020-10-24 00:25:09,735 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:11,122 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:25:15,582 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:25:16,034 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-24 00:25:16,439 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:16,851 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:25:17,235 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:17,960 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:25:23,596 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-24 00:25:24,106 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:25:24,943 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:25:25,426 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:25:25,908 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:26,374 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:25:26,779 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:32,740 INFO L93 Difference]: Finished difference Result 15973 states and 19379 transitions. [2020-10-24 00:25:32,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-10-24 00:25:32,742 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 655 [2020-10-24 00:25:32,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:32,790 INFO L225 Difference]: With dead ends: 15973 [2020-10-24 00:25:32,791 INFO L226 Difference]: Without dead ends: 11230 [2020-10-24 00:25:32,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 183 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1586, Invalid=6424, Unknown=0, NotChecked=0, Total=8010 [2020-10-24 00:25:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11230 states. [2020-10-24 00:25:36,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11230 to 6006. [2020-10-24 00:25:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6006 states. [2020-10-24 00:25:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6006 states to 6006 states and 6492 transitions. [2020-10-24 00:25:36,054 INFO L78 Accepts]: Start accepts. Automaton has 6006 states and 6492 transitions. Word has length 655 [2020-10-24 00:25:36,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:36,054 INFO L481 AbstractCegarLoop]: Abstraction has 6006 states and 6492 transitions. [2020-10-24 00:25:36,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:25:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6006 states and 6492 transitions. [2020-10-24 00:25:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-10-24 00:25:36,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:25:36,073 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:25:36,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:25:36,073 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:25:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:25:36,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1759935328, now seen corresponding path program 1 times [2020-10-24 00:25:36,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:25:36,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445541280] [2020-10-24 00:25:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:25:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,500 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:25:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:25:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:25:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:25:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:25:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:25:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:25:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:25:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:25:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:25:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:25:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:25:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:25:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:25:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:25:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-24 00:25:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-24 00:25:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-10-24 00:25:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-10-24 00:25:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-10-24 00:25:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:25:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:25:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:25:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:25:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:25:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-10-24 00:25:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-10-24 00:25:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-10-24 00:25:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:25:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-24 00:25:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:25:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-10-24 00:25:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-10-24 00:25:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-10-24 00:25:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:25:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2020-10-24 00:25:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:25:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:25:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:25:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-10-24 00:25:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:36,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2020-10-24 00:25:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:25:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 168 proven. 16 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2020-10-24 00:25:37,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445541280] [2020-10-24 00:25:37,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:25:37,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:25:37,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565396177] [2020-10-24 00:25:37,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:25:37,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:25:37,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:25:37,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:25:37,312 INFO L87 Difference]: Start difference. First operand 6006 states and 6492 transitions. Second operand 18 states. [2020-10-24 00:25:38,193 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:25:38,609 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:39,009 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:39,413 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:39,789 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:43,889 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:44,277 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:44,671 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:25:45,073 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:45,470 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:25:45,850 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:25:46,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:25:46,898 INFO L93 Difference]: Finished difference Result 7418 states and 8188 transitions. [2020-10-24 00:25:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 00:25:46,899 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 655 [2020-10-24 00:25:46,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:25:46,901 INFO L225 Difference]: With dead ends: 7418 [2020-10-24 00:25:46,901 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:25:46,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=529, Invalid=1633, Unknown=0, NotChecked=0, Total=2162 [2020-10-24 00:25:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:25:46,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:25:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:25:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:25:46,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-10-24 00:25:46,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:25:46,922 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:25:46,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:25:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:25:46,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:25:46,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:25:46,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:25:47,706 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-10-24 00:25:48,137 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-10-24 00:25:48,867 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-10-24 00:25:49,072 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-10-24 00:25:49,315 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-10-24 00:25:55,164 WARN L193 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 708 DAG size of output: 583 [2020-10-24 00:25:59,069 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:25:59,497 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-10-24 00:26:00,349 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-10-24 00:26:07,552 WARN L193 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-10-24 00:26:07,859 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-10-24 00:26:08,463 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-10-24 00:26:09,113 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:09,278 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:09,416 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:26:09,942 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-10-24 00:26:10,742 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-10-24 00:26:11,161 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:26:11,907 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-10-24 00:26:12,198 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 242 [2020-10-24 00:26:12,391 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-10-24 00:26:20,081 WARN L193 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-10-24 00:26:24,447 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:26:25,785 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-10-24 00:26:29,606 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-10-24 00:26:29,748 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-10-24 00:26:40,366 WARN L193 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:26:44,141 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:26:47,850 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:26:48,262 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:48,374 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:48,651 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:49,007 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:49,951 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:50,084 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:50,436 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:50,554 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:50,667 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:50,782 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:26:51,145 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:51,259 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:51,430 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:51,566 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:26:59,946 WARN L193 SmtUtils]: Spent 7.69 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:27:00,501 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:00,618 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:01,087 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-10-24 00:27:01,199 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-10-24 00:27:01,318 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:01,433 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:01,796 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:27:01,911 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:27:02,018 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:27:02,121 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:27:02,237 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:02,371 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:02,519 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:02,682 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:03,040 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:03,158 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:03,892 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:04,006 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:04,120 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:04,238 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:04,353 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:04,467 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:27:12,410 WARN L193 SmtUtils]: Spent 7.81 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:27:20,235 WARN L193 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:27:21,159 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-10-24 00:27:32,791 WARN L193 SmtUtils]: Spent 6.66 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-10-24 00:27:40,909 WARN L193 SmtUtils]: Spent 7.59 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-10-24 00:27:44,896 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:27:45,356 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-10-24 00:27:45,591 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:27:45,710 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:27:46,518 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:27:46,985 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-10-24 00:27:47,219 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:27:47,333 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-10-24 00:27:51,180 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:51,315 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:51,556 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:51,675 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:27:52,446 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 260 [2020-10-24 00:27:52,754 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2020-10-24 00:27:52,871 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-10-24 00:28:00,971 WARN L193 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:28:04,711 WARN L193 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:28:11,441 WARN L193 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-10-24 00:28:19,085 WARN L193 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-10-24 00:28:27,898 WARN L193 SmtUtils]: Spent 8.76 s on a formula simplification. DAG size of input: 1004 DAG size of output: 778 [2020-10-24 00:28:29,163 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-10-24 00:28:34,650 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-24 00:28:35,355 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-10-24 00:28:35,538 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-10-24 00:28:35,701 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-10-24 00:28:37,248 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:37,384 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:37,496 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:37,618 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:37,751 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:38,729 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:28:38,881 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:28:39,311 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:39,425 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:39,545 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:39,658 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:39,863 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:28:39,976 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:28:46,691 WARN L193 SmtUtils]: Spent 6.65 s on a formula simplification. DAG size of input: 859 DAG size of output: 689 [2020-10-24 00:28:49,387 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-10-24 00:28:49,730 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:28:49,880 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:28:49,995 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:28:58,221 WARN L193 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-10-24 00:29:06,188 WARN L193 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-10-24 00:29:10,908 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-10-24 00:29:11,121 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-10-24 00:29:11,275 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-10-24 00:29:11,695 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:11,843 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:11,955 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:12,069 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:12,183 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:13,275 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:13,390 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:13,507 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:13,622 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:14,537 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-10-24 00:29:15,121 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-10-24 00:29:15,280 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-10-24 00:29:15,603 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-10-24 00:29:16,226 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-10-24 00:29:16,392 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-10-24 00:29:16,529 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-24 00:29:16,868 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-10-24 00:29:17,024 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-10-24 00:29:17,451 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:29:18,211 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-10-24 00:29:18,404 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 242 [2020-10-24 00:29:18,558 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-10-24 00:29:21,293 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 230 DAG size of output: 37 [2020-10-24 00:29:22,919 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-10-24 00:29:23,188 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-24 00:29:34,497 WARN L193 SmtUtils]: Spent 11.27 s on a formula simplification. DAG size of input: 484 DAG size of output: 42 [2020-10-24 00:29:44,168 WARN L193 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-10-24 00:29:44,348 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:29:46,671 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-10-24 00:29:49,364 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 230 DAG size of output: 37 [2020-10-24 00:29:49,729 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-10-24 00:29:50,072 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-10-24 00:29:50,845 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-10-24 00:30:04,618 WARN L193 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-10-24 00:30:04,952 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-10-24 00:30:05,262 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-24 00:30:05,840 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 1 [2020-10-24 00:30:06,529 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-10-24 00:30:07,448 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-10-24 00:30:08,096 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 37 [2020-10-24 00:30:09,274 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 212 DAG size of output: 22 [2020-10-24 00:30:09,730 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 30 [2020-10-24 00:30:11,113 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2020-10-24 00:30:12,277 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-10-24 00:30:15,484 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 333 DAG size of output: 38 [2020-10-24 00:30:16,788 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-10-24 00:30:18,182 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 228 DAG size of output: 31 [2020-10-24 00:30:31,867 WARN L193 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-10-24 00:30:32,048 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-10-24 00:30:33,237 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-10-24 00:30:35,722 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 197 DAG size of output: 33 [2020-10-24 00:30:45,538 WARN L193 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-10-24 00:30:45,851 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-10-24 00:30:46,166 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-10-24 00:30:46,951 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-24 00:30:48,934 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 228 DAG size of output: 36 [2020-10-24 00:30:49,123 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-24 00:30:49,934 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 53 [2020-10-24 00:30:51,620 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-10-24 00:30:52,652 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-10-24 00:30:52,918 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-24 00:30:53,428 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2020-10-24 00:30:54,283 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 51 [2020-10-24 00:30:54,676 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-24 00:30:55,400 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-10-24 00:30:55,742 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-24 00:30:57,582 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-10-24 00:30:59,222 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 165 DAG size of output: 23 [2020-10-24 00:30:59,879 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-10-24 00:31:00,465 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2020-10-24 00:31:00,821 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-10-24 00:31:01,148 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-10-24 00:31:01,553 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-24 00:31:02,696 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 214 DAG size of output: 24 [2020-10-24 00:31:03,879 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-10-24 00:31:04,997 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 212 DAG size of output: 21 [2020-10-24 00:31:05,691 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:31:06,836 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 212 DAG size of output: 21 [2020-10-24 00:31:07,528 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-10-24 00:31:09,387 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 239 DAG size of output: 32 [2020-10-24 00:31:09,810 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 25 [2020-10-24 00:31:11,643 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-10-24 00:31:11,875 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-24 00:31:13,575 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-10-24 00:31:13,808 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-24 00:31:14,211 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-10-24 00:31:14,974 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-10-24 00:31:15,794 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-10-24 00:31:16,020 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2020-10-24 00:31:34,175 WARN L193 SmtUtils]: Spent 18.14 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-10-24 00:31:44,271 WARN L193 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-10-24 00:31:54,324 WARN L193 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-10-24 00:31:56,398 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-10-24 00:31:58,912 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 296 DAG size of output: 35 [2020-10-24 00:32:00,800 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 205 DAG size of output: 33 [2020-10-24 00:32:01,076 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-24 00:32:01,509 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 28 [2020-10-24 00:32:19,868 WARN L193 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-10-24 00:32:20,179 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-24 00:32:22,831 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 325 DAG size of output: 45 [2020-10-24 00:32:41,191 WARN L193 SmtUtils]: Spent 18.35 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-10-24 00:32:41,541 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-10-24 00:32:42,275 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:33:00,660 WARN L193 SmtUtils]: Spent 18.38 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-10-24 00:33:01,024 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-10-24 00:33:02,850 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-10-24 00:33:03,071 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:33:04,512 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-10-24 00:33:05,749 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-10-24 00:33:07,568 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 244 DAG size of output: 40 [2020-10-24 00:33:08,034 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-10-24 00:33:08,433 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-24 00:33:09,563 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 189 DAG size of output: 49 [2020-10-24 00:33:09,900 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-10-24 00:33:12,043 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-24 00:33:13,982 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-10-24 00:33:14,298 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-10-24 00:33:15,862 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 215 DAG size of output: 44 [2020-10-24 00:33:17,724 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 234 DAG size of output: 32 [2020-10-24 00:33:20,018 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 200 DAG size of output: 34 [2020-10-24 00:33:20,521 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2020-10-24 00:33:20,981 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-10-24 00:33:22,853 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 250 DAG size of output: 46 [2020-10-24 00:33:36,747 WARN L193 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-10-24 00:33:37,007 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-24 00:33:37,708 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:33:55,422 WARN L193 SmtUtils]: Spent 17.71 s on a formula simplification. DAG size of input: 602 DAG size of output: 40 [2020-10-24 00:33:55,720 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-24 00:33:57,445 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-10-24 00:33:58,141 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-10-24 00:33:58,486 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-24 00:34:00,500 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 228 DAG size of output: 36 [2020-10-24 00:34:02,334 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-10-24 00:34:03,294 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-10-24 00:34:05,373 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-10-24 00:34:06,609 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-10-24 00:34:07,679 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 189 DAG size of output: 49 [2020-10-24 00:34:08,432 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-10-24 00:34:08,832 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-10-24 00:34:10,077 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-10-24 00:34:12,167 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-10-24 00:34:13,439 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-10-24 00:34:16,462 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 311 DAG size of output: 40 [2020-10-24 00:34:19,474 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 311 DAG size of output: 40 [2020-10-24 00:34:19,771 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-24 00:34:20,068 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-10-24 00:34:21,746 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-10-24 00:34:23,517 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-10-24 00:34:25,580 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 216 DAG size of output: 39 [2020-10-24 00:34:26,922 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 247 DAG size of output: 34 [2020-10-24 00:34:27,353 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-24 00:34:27,525 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-24 00:34:28,932 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 228 DAG size of output: 31 [2020-10-24 00:34:29,829 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-10-24 00:34:31,449 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-10-24 00:34:33,067 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-10-24 00:34:33,446 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-24 00:34:33,902 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-10-24 00:34:35,087 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 192 DAG size of output: 33