/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:51:14,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:51:14,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:51:14,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:51:14,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:51:14,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:51:14,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:51:14,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:51:14,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:51:14,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:51:14,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:51:14,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:51:14,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:51:14,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:51:14,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:51:14,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:51:14,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:51:14,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:51:14,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:51:14,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:51:14,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:51:14,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:51:14,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:51:14,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:51:14,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 17:51:14,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 17:51:14,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 17:51:14,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 17:51:14,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 17:51:14,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 17:51:14,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 17:51:14,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 17:51:14,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 17:51:14,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 17:51:14,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 17:51:14,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 17:51:14,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 17:51:14,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 17:51:14,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:51:14,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:51:14,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:51:14,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 17:51:14,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:51:14,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:51:14,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:51:14,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:51:14,781 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:51:14,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:51:14,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:51:14,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:51:14,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:51:14,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:51:14,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:51:14,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:51:14,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:51:14,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:51:14,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:51:14,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:51:14,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:51:14,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:51:14,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:51:14,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:51:14,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:51:14,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:51:14,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:51:14,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:51:14,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:51:14,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:51:14,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:51:14,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:51:14,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:51:14,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:51:15,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:51:15,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:51:15,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:51:15,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:51:15,257 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:51:15,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-10-23 17:51:15,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a76d4c6/cdb3cca7f874430c8460feb8f1b2b222/FLAG0fa26bb85 [2020-10-23 17:51:16,106 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:51:16,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-10-23 17:51:16,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a76d4c6/cdb3cca7f874430c8460feb8f1b2b222/FLAG0fa26bb85 [2020-10-23 17:51:16,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a76d4c6/cdb3cca7f874430c8460feb8f1b2b222 [2020-10-23 17:51:16,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:51:16,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:51:16,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:51:16,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:51:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:51:16,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:51:16" (1/1) ... [2020-10-23 17:51:16,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dfc877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:16, skipping insertion in model container [2020-10-23 17:51:16,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:51:16" (1/1) ... [2020-10-23 17:51:16,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:51:16,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:51:16,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:51:16,999 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:51:17,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:51:17,127 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:51:17,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17 WrapperNode [2020-10-23 17:51:17,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:51:17,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:51:17,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:51:17,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:51:17,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (1/1) ... [2020-10-23 17:51:17,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:51:17,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:51:17,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:51:17,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:51:17,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (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 [2020-10-23 17:51:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:51:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:51:17,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 17:51:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:51:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 17:51:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 17:51:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 17:51:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 17:51:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 17:51:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 17:51:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 17:51:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 17:51:17,338 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 17:51:17,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 17:51:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 17:51:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 17:51:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 17:51:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 17:51:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 17:51:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 17:51:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 17:51:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 17:51:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 17:51:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-23 17:51:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 17:51:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 17:51:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 17:51:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 17:51:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 17:51:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:51:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 17:51:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 17:51:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 17:51:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 17:51:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-23 17:51:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-23 17:51:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 17:51:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 17:51:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 17:51:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 17:51:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 17:51:17,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-23 17:51:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 17:51:17,352 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 17:51:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 17:51:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 17:51:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 17:51:17,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 17:51:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 17:51:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 17:51:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:51:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 17:51:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 17:51:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:51:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 17:51:17,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 17:51:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:51:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 17:51:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 17:51:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 17:51:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 17:51:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-23 17:51:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 17:51:17,359 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 17:51:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:51:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:51:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:51:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:51:18,860 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:51:18,860 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 17:51:18,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:51:18 BoogieIcfgContainer [2020-10-23 17:51:18,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:51:18,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:51:18,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:51:18,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:51:18,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:51:16" (1/3) ... [2020-10-23 17:51:18,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668f7c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:51:18, skipping insertion in model container [2020-10-23 17:51:18,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:51:17" (2/3) ... [2020-10-23 17:51:18,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668f7c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:51:18, skipping insertion in model container [2020-10-23 17:51:18,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:51:18" (3/3) ... [2020-10-23 17:51:18,872 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-10-23 17:51:18,884 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:51:18,890 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 17:51:18,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 17:51:18,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:51:18,933 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:51:18,933 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:51:18,933 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:51:18,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:51:18,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:51:18,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:51:18,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:51:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-10-23 17:51:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-23 17:51:18,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:18,970 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:18,971 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]=== [2020-10-23 17:51:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:18,978 INFO L82 PathProgramCache]: Analyzing trace with hash -672828210, now seen corresponding path program 1 times [2020-10-23 17:51:18,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:18,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714793807] [2020-10-23 17:51:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,793 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:19,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:51:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:51:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-23 17:51:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:19,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714793807] [2020-10-23 17:51:19,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:19,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 17:51:19,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103587562] [2020-10-23 17:51:19,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 17:51:19,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:19,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 17:51:19,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:51:19,975 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 4 states. [2020-10-23 17:51:21,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:21,649 INFO L93 Difference]: Finished difference Result 362 states and 462 transitions. [2020-10-23 17:51:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 17:51:21,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-23 17:51:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:21,674 INFO L225 Difference]: With dead ends: 362 [2020-10-23 17:51:21,674 INFO L226 Difference]: Without dead ends: 196 [2020-10-23 17:51:21,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:51:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-23 17:51:21,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2020-10-23 17:51:21,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-23 17:51:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 194 transitions. [2020-10-23 17:51:21,858 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 194 transitions. Word has length 60 [2020-10-23 17:51:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:21,859 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 194 transitions. [2020-10-23 17:51:21,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 17:51:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 194 transitions. [2020-10-23 17:51:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-23 17:51:21,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:21,872 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:21,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:51:21,872 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]=== [2020-10-23 17:51:21,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:21,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1030103029, now seen corresponding path program 1 times [2020-10-23 17:51:21,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:21,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164449582] [2020-10-23 17:51:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,480 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:22,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:51:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 17:51:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-23 17:51:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:22,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164449582] [2020-10-23 17:51:22,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:22,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:51:22,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221287021] [2020-10-23 17:51:22,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:51:22,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:22,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:51:22,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:51:22,605 INFO L87 Difference]: Start difference. First operand 164 states and 194 transitions. Second operand 9 states. [2020-10-23 17:51:23,193 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:23,726 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:24,139 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:24,540 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:26,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:26,639 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2020-10-23 17:51:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 17:51:26,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-23 17:51:26,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:26,643 INFO L225 Difference]: With dead ends: 332 [2020-10-23 17:51:26,643 INFO L226 Difference]: Without dead ends: 196 [2020-10-23 17:51:26,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-23 17:51:26,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-23 17:51:26,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2020-10-23 17:51:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-23 17:51:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-10-23 17:51:26,703 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 65 [2020-10-23 17:51:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:26,704 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-10-23 17:51:26,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:51:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-10-23 17:51:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-23 17:51:26,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:26,707 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:26,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 17:51:26,707 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]=== [2020-10-23 17:51:26,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:26,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1800786768, now seen corresponding path program 1 times [2020-10-23 17:51:26,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:26,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415834536] [2020-10-23 17:51:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,158 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:27,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:51:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:51:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-23 17:51:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-23 17:51:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:27,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415834536] [2020-10-23 17:51:27,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:27,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 17:51:27,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433950090] [2020-10-23 17:51:27,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 17:51:27,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:27,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 17:51:27,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:51:27,301 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 7 states. [2020-10-23 17:51:27,836 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:30,006 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:31,307 INFO L93 Difference]: Finished difference Result 485 states and 625 transitions. [2020-10-23 17:51:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 17:51:31,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-10-23 17:51:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:31,312 INFO L225 Difference]: With dead ends: 485 [2020-10-23 17:51:31,313 INFO L226 Difference]: Without dead ends: 349 [2020-10-23 17:51:31,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-23 17:51:31,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-10-23 17:51:31,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 286. [2020-10-23 17:51:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-23 17:51:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 338 transitions. [2020-10-23 17:51:31,420 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 338 transitions. Word has length 83 [2020-10-23 17:51:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:31,420 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 338 transitions. [2020-10-23 17:51:31,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 17:51:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 338 transitions. [2020-10-23 17:51:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-23 17:51:31,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:31,422 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:31,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 17:51:31,423 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]=== [2020-10-23 17:51:31,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:31,423 INFO L82 PathProgramCache]: Analyzing trace with hash 631374274, now seen corresponding path program 1 times [2020-10-23 17:51:31,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:31,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163021257] [2020-10-23 17:51:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,810 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:31,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:51:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:51:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:51:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-23 17:51:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:31,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-23 17:51:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:32,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163021257] [2020-10-23 17:51:32,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:32,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:51:32,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252381078] [2020-10-23 17:51:32,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:51:32,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:32,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:51:32,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:51:32,003 INFO L87 Difference]: Start difference. First operand 286 states and 338 transitions. Second operand 9 states. [2020-10-23 17:51:32,798 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:33,602 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:33,997 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:34,404 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:35,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:35,828 INFO L93 Difference]: Finished difference Result 558 states and 691 transitions. [2020-10-23 17:51:35,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 17:51:35,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-10-23 17:51:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:35,832 INFO L225 Difference]: With dead ends: 558 [2020-10-23 17:51:35,832 INFO L226 Difference]: Without dead ends: 300 [2020-10-23 17:51:35,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2020-10-23 17:51:35,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-23 17:51:35,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 260. [2020-10-23 17:51:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-23 17:51:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 295 transitions. [2020-10-23 17:51:35,903 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 295 transitions. Word has length 93 [2020-10-23 17:51:35,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:35,904 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 295 transitions. [2020-10-23 17:51:35,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:51:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 295 transitions. [2020-10-23 17:51:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-23 17:51:35,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:35,906 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:35,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 17:51:35,906 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]=== [2020-10-23 17:51:35,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:35,907 INFO L82 PathProgramCache]: Analyzing trace with hash -611756639, now seen corresponding path program 1 times [2020-10-23 17:51:35,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:35,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343470675] [2020-10-23 17:51:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,329 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:36,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:51:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:51:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:51:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-23 17:51:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-23 17:51:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 17:51:36,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343470675] [2020-10-23 17:51:36,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:36,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:51:36,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741860100] [2020-10-23 17:51:36,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:51:36,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:36,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:51:36,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:51:36,512 INFO L87 Difference]: Start difference. First operand 260 states and 295 transitions. Second operand 9 states. [2020-10-23 17:51:37,042 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:37,909 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:39,152 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:39,587 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:40,184 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:40,552 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:41,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:41,450 INFO L93 Difference]: Finished difference Result 534 states and 636 transitions. [2020-10-23 17:51:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-23 17:51:41,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-10-23 17:51:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:41,455 INFO L225 Difference]: With dead ends: 534 [2020-10-23 17:51:41,455 INFO L226 Difference]: Without dead ends: 302 [2020-10-23 17:51:41,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-23 17:51:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-10-23 17:51:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 259. [2020-10-23 17:51:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-23 17:51:41,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 292 transitions. [2020-10-23 17:51:41,513 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 292 transitions. Word has length 97 [2020-10-23 17:51:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:41,514 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 292 transitions. [2020-10-23 17:51:41,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:51:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 292 transitions. [2020-10-23 17:51:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-23 17:51:41,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:41,516 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:41,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 17:51:41,516 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]=== [2020-10-23 17:51:41,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:41,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1976936540, now seen corresponding path program 1 times [2020-10-23 17:51:41,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:41,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662072476] [2020-10-23 17:51:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:41,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,936 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:51:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:51:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:51:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-23 17:51:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-23 17:51:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:42,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662072476] [2020-10-23 17:51:42,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:42,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:51:42,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836928971] [2020-10-23 17:51:42,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:51:42,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:42,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:51:42,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:51:42,276 INFO L87 Difference]: Start difference. First operand 259 states and 292 transitions. Second operand 9 states. [2020-10-23 17:51:43,679 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:44,076 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:51:44,455 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:44,820 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:46,113 INFO L93 Difference]: Finished difference Result 534 states and 641 transitions. [2020-10-23 17:51:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 17:51:46,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-10-23 17:51:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:46,118 INFO L225 Difference]: With dead ends: 534 [2020-10-23 17:51:46,118 INFO L226 Difference]: Without dead ends: 303 [2020-10-23 17:51:46,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-23 17:51:46,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-23 17:51:46,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 264. [2020-10-23 17:51:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-23 17:51:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 297 transitions. [2020-10-23 17:51:46,210 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 297 transitions. Word has length 113 [2020-10-23 17:51:46,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:46,213 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 297 transitions. [2020-10-23 17:51:46,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:51:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 297 transitions. [2020-10-23 17:51:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-23 17:51:46,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:46,217 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:46,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 17:51:46,217 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]=== [2020-10-23 17:51:46,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:46,218 INFO L82 PathProgramCache]: Analyzing trace with hash 35884511, now seen corresponding path program 1 times [2020-10-23 17:51:46,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:46,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319145451] [2020-10-23 17:51:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,687 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:46,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:51:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-23 17:51:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:51:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-23 17:51:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-23 17:51:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:46,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319145451] [2020-10-23 17:51:46,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:46,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 17:51:46,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133480648] [2020-10-23 17:51:46,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 17:51:46,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:46,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 17:51:46,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:51:46,918 INFO L87 Difference]: Start difference. First operand 264 states and 297 transitions. Second operand 7 states. [2020-10-23 17:51:47,452 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:48,186 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:50,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:50,794 INFO L93 Difference]: Finished difference Result 716 states and 882 transitions. [2020-10-23 17:51:50,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 17:51:50,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-10-23 17:51:50,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:50,802 INFO L225 Difference]: With dead ends: 716 [2020-10-23 17:51:50,803 INFO L226 Difference]: Without dead ends: 480 [2020-10-23 17:51:50,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-23 17:51:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-10-23 17:51:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 441. [2020-10-23 17:51:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-23 17:51:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 513 transitions. [2020-10-23 17:51:50,909 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 513 transitions. Word has length 113 [2020-10-23 17:51:50,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:51:50,909 INFO L481 AbstractCegarLoop]: Abstraction has 441 states and 513 transitions. [2020-10-23 17:51:50,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 17:51:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 513 transitions. [2020-10-23 17:51:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-23 17:51:50,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:51:50,914 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-23 17:51:50,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 17:51:50,914 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]=== [2020-10-23 17:51:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:51:50,915 INFO L82 PathProgramCache]: Analyzing trace with hash 402942053, now seen corresponding path program 1 times [2020-10-23 17:51:50,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:51:50,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871290061] [2020-10-23 17:51:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:51:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,439 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:51:51,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:51:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:51:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:51:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:51:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:51:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-23 17:51:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:51:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-23 17:51:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:51:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:51:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:51:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:51:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-23 17:51:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-23 17:51:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:51:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 17:51:51,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871290061] [2020-10-23 17:51:51,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:51:51,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 17:51:51,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501533469] [2020-10-23 17:51:51,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 17:51:51,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:51:51,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 17:51:51,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-23 17:51:51,649 INFO L87 Difference]: Start difference. First operand 441 states and 513 transitions. Second operand 12 states. [2020-10-23 17:51:52,360 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:53,221 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:54,605 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:55,090 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:55,452 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:51:55,913 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:56,320 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:51:58,172 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:51:58,574 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:51:59,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:51:59,835 INFO L93 Difference]: Finished difference Result 1220 states and 1504 transitions. [2020-10-23 17:51:59,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-23 17:51:59,836 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-23 17:51:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:51:59,842 INFO L225 Difference]: With dead ends: 1220 [2020-10-23 17:51:59,842 INFO L226 Difference]: Without dead ends: 882 [2020-10-23 17:51:59,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-10-23 17:51:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-23 17:51:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 768. [2020-10-23 17:51:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-10-23 17:52:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 884 transitions. [2020-10-23 17:52:00,002 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 884 transitions. Word has length 117 [2020-10-23 17:52:00,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:52:00,003 INFO L481 AbstractCegarLoop]: Abstraction has 768 states and 884 transitions. [2020-10-23 17:52:00,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 17:52:00,003 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 884 transitions. [2020-10-23 17:52:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-23 17:52:00,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:52:00,007 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:52:00,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 17:52:00,008 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]=== [2020-10-23 17:52:00,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:52:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash 102681667, now seen corresponding path program 1 times [2020-10-23 17:52:00,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:52:00,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686546075] [2020-10-23 17:52:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:52:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,512 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:52:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:52:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:52:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:52:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:52:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:52:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:52:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:52:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-23 17:52:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 17:52:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 17:52:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:52:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-23 17:52:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-23 17:52:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:00,928 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-23 17:52:00,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686546075] [2020-10-23 17:52:00,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289293168] [2020-10-23 17:52:00,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:01,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 17:52:01,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:52:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:52:01,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:52:01,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-10-23 17:52:01,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611477657] [2020-10-23 17:52:01,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-23 17:52:01,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:52:01,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-23 17:52:01,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-10-23 17:52:01,643 INFO L87 Difference]: Start difference. First operand 768 states and 884 transitions. Second operand 20 states. [2020-10-23 17:52:02,443 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:02,998 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:03,409 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:03,803 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:04,720 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 17:52:05,156 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:52:05,790 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-23 17:52:07,025 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-23 17:52:07,907 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:52:08,574 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 17:52:09,108 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:52:09,510 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:52:09,957 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:52:10,717 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:52:11,319 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-23 17:52:12,190 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:12,622 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:13,242 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:13,982 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:14,575 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:15,000 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:52:15,336 INFO L93 Difference]: Finished difference Result 1662 states and 1976 transitions. [2020-10-23 17:52:15,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-23 17:52:15,336 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 194 [2020-10-23 17:52:15,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:52:15,342 INFO L225 Difference]: With dead ends: 1662 [2020-10-23 17:52:15,343 INFO L226 Difference]: Without dead ends: 993 [2020-10-23 17:52:15,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=782, Invalid=3250, Unknown=0, NotChecked=0, Total=4032 [2020-10-23 17:52:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-23 17:52:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 898. [2020-10-23 17:52:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2020-10-23 17:52:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1043 transitions. [2020-10-23 17:52:15,546 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1043 transitions. Word has length 194 [2020-10-23 17:52:15,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:52:15,547 INFO L481 AbstractCegarLoop]: Abstraction has 898 states and 1043 transitions. [2020-10-23 17:52:15,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-23 17:52:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1043 transitions. [2020-10-23 17:52:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-23 17:52:15,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:52:15,555 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:52:15,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-23 17:52:15,770 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]=== [2020-10-23 17:52:15,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:52:15,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1552603569, now seen corresponding path program 1 times [2020-10-23 17:52:15,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:52:15,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536720167] [2020-10-23 17:52:15,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:52:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,282 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:52:16,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:52:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:52:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:52:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:52:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:52:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:52:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:52:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-23 17:52:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:52:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:52:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-23 17:52:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:52:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-23 17:52:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-23 17:52:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-10-23 17:52:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-23 17:52:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 76 proven. 7 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-23 17:52:16,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536720167] [2020-10-23 17:52:16,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082786818] [2020-10-23 17:52:16,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 22 conjunts are in the unsatisfiable core [2020-10-23 17:52:17,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:52:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 235 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-23 17:52:17,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:52:17,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-10-23 17:52:17,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646612942] [2020-10-23 17:52:17,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-23 17:52:17,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:52:17,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-23 17:52:17,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:52:17,630 INFO L87 Difference]: Start difference. First operand 898 states and 1043 transitions. Second operand 24 states. [2020-10-23 17:52:18,382 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:52:19,634 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:52:20,151 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:20,779 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:22,173 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:52:22,822 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:52:24,224 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:24,903 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:25,495 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:26,051 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:52:26,534 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:27,178 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:52:27,679 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:28,187 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:52:28,677 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-23 17:52:29,243 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:29,696 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:30,402 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:30,871 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:31,388 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:31,843 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:32,328 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:33,063 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:33,625 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:36,759 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:37,274 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:37,768 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:38,234 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:38,735 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:52:39,222 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:40,111 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 212 [2020-10-23 17:52:40,580 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:41,111 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 17:52:41,616 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-23 17:52:48,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:52:48,694 INFO L93 Difference]: Finished difference Result 3332 states and 4544 transitions. [2020-10-23 17:52:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-10-23 17:52:48,695 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 328 [2020-10-23 17:52:48,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:52:48,711 INFO L225 Difference]: With dead ends: 3332 [2020-10-23 17:52:48,712 INFO L226 Difference]: Without dead ends: 2470 [2020-10-23 17:52:48,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4160 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=1728, Invalid=10262, Unknown=0, NotChecked=0, Total=11990 [2020-10-23 17:52:48,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2020-10-23 17:52:49,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 1774. [2020-10-23 17:52:49,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2020-10-23 17:52:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2007 transitions. [2020-10-23 17:52:49,111 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2007 transitions. Word has length 328 [2020-10-23 17:52:49,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:52:49,112 INFO L481 AbstractCegarLoop]: Abstraction has 1774 states and 2007 transitions. [2020-10-23 17:52:49,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-23 17:52:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2007 transitions. [2020-10-23 17:52:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-10-23 17:52:49,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:52:49,122 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:52:49,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-23 17:52:49,337 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]=== [2020-10-23 17:52:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:52:49,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1185049455, now seen corresponding path program 1 times [2020-10-23 17:52:49,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:52:49,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039559385] [2020-10-23 17:52:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:52:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,802 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:52:49,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:52:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:52:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:52:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:52:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:52:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:52:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:52:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:52:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 17:52:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:52:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:52:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-23 17:52:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:52:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-23 17:52:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-23 17:52:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-23 17:52:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-23 17:52:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-10-23 17:52:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 40 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-10-23 17:52:50,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039559385] [2020-10-23 17:52:50,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736932579] [2020-10-23 17:52:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:50,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 17:52:50,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:52:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-10-23 17:52:51,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 17:52:51,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-10-23 17:52:51,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361212953] [2020-10-23 17:52:51,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:52:51,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:52:51,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:52:51,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:52:51,180 INFO L87 Difference]: Start difference. First operand 1774 states and 2007 transitions. Second operand 8 states. [2020-10-23 17:52:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:52:51,967 INFO L93 Difference]: Finished difference Result 3258 states and 3706 transitions. [2020-10-23 17:52:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 17:52:51,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 348 [2020-10-23 17:52:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:52:51,980 INFO L225 Difference]: With dead ends: 3258 [2020-10-23 17:52:51,980 INFO L226 Difference]: Without dead ends: 1682 [2020-10-23 17:52:51,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 459 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:52:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2020-10-23 17:52:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1653. [2020-10-23 17:52:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2020-10-23 17:52:52,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 1861 transitions. [2020-10-23 17:52:52,424 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 1861 transitions. Word has length 348 [2020-10-23 17:52:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:52:52,425 INFO L481 AbstractCegarLoop]: Abstraction has 1653 states and 1861 transitions. [2020-10-23 17:52:52,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:52:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1861 transitions. [2020-10-23 17:52:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-23 17:52:52,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:52:52,435 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:52:52,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-23 17:52:52,650 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]=== [2020-10-23 17:52:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:52:52,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1481886913, now seen corresponding path program 1 times [2020-10-23 17:52:52,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:52:52,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166835429] [2020-10-23 17:52:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:52:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,156 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:52:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:52:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:52:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:52:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:52:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:52:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:52:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:52:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-23 17:52:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-23 17:52:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:52:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:52:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-23 17:52:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:52:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-23 17:52:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-23 17:52:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-23 17:52:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-10-23 17:52:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 17:52:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-23 17:52:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-10-23 17:52:53,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166835429] [2020-10-23 17:52:53,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425184990] [2020-10-23 17:52:53,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:54,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 17:52:54,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:52:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-23 17:52:54,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 17:52:54,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-10-23 17:52:54,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444081430] [2020-10-23 17:52:54,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:52:54,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:52:54,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:52:54,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-10-23 17:52:54,421 INFO L87 Difference]: Start difference. First operand 1653 states and 1861 transitions. Second operand 8 states. [2020-10-23 17:52:55,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:52:55,046 INFO L93 Difference]: Finished difference Result 2971 states and 3365 transitions. [2020-10-23 17:52:55,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 17:52:55,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 352 [2020-10-23 17:52:55,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:52:55,055 INFO L225 Difference]: With dead ends: 2971 [2020-10-23 17:52:55,055 INFO L226 Difference]: Without dead ends: 1516 [2020-10-23 17:52:55,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-10-23 17:52:55,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2020-10-23 17:52:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1516. [2020-10-23 17:52:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2020-10-23 17:52:55,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1706 transitions. [2020-10-23 17:52:55,456 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1706 transitions. Word has length 352 [2020-10-23 17:52:55,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:52:55,457 INFO L481 AbstractCegarLoop]: Abstraction has 1516 states and 1706 transitions. [2020-10-23 17:52:55,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:52:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1706 transitions. [2020-10-23 17:52:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2020-10-23 17:52:55,463 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:52:55,464 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:52:55,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:55,677 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]=== [2020-10-23 17:52:55,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:52:55,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1872054007, now seen corresponding path program 2 times [2020-10-23 17:52:55,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:52:55,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147164065] [2020-10-23 17:52:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:52:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,143 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:52:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:52:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:52:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:52:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:52:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:52:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:52:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:52:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-23 17:52:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:52:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:52:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-23 17:52:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-23 17:52:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:52:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:52:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:52:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:52:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:52:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-23 17:52:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-23 17:52:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-23 17:52:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:52:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-10-23 17:52:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:52:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:52:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:52:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:52:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-10-23 17:52:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-23 17:52:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:52:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-10-23 17:52:56,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147164065] [2020-10-23 17:52:56,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51455844] [2020-10-23 17:52:56,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:52:57,234 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-23 17:52:57,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-23 17:52:57,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-23 17:52:57,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:52:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 275 proven. 18 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-23 17:52:57,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:52:57,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-10-23 17:52:57,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093497759] [2020-10-23 17:52:57,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-23 17:52:57,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:52:57,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-23 17:52:57,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-10-23 17:52:57,550 INFO L87 Difference]: Start difference. First operand 1516 states and 1706 transitions. Second operand 23 states. [2020-10-23 17:52:58,624 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-23 17:52:59,481 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-23 17:53:00,229 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-23 17:53:00,954 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-23 17:53:02,267 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 17:53:04,060 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 17:53:04,825 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 17:53:05,583 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:06,673 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:53:08,186 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:53:08,570 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:53:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:53:10,116 INFO L93 Difference]: Finished difference Result 3119 states and 3702 transitions. [2020-10-23 17:53:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-23 17:53:10,123 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 352 [2020-10-23 17:53:10,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:53:10,133 INFO L225 Difference]: With dead ends: 3119 [2020-10-23 17:53:10,133 INFO L226 Difference]: Without dead ends: 1801 [2020-10-23 17:53:10,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=500, Invalid=2256, Unknown=0, NotChecked=0, Total=2756 [2020-10-23 17:53:10,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-23 17:53:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1516. [2020-10-23 17:53:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2020-10-23 17:53:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1703 transitions. [2020-10-23 17:53:10,470 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1703 transitions. Word has length 352 [2020-10-23 17:53:10,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:53:10,470 INFO L481 AbstractCegarLoop]: Abstraction has 1516 states and 1703 transitions. [2020-10-23 17:53:10,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-23 17:53:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1703 transitions. [2020-10-23 17:53:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-10-23 17:53:10,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:53:10,477 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:53:10,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-23 17:53:10,691 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]=== [2020-10-23 17:53:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:53:10,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1494574320, now seen corresponding path program 1 times [2020-10-23 17:53:10,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:53:10,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506131339] [2020-10-23 17:53:10,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:53:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,126 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:53:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:53:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:53:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:53:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:53:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:53:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:53:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:53:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:53:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-23 17:53:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:53:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:53:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:53:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:53:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:53:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-23 17:53:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-23 17:53:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:53:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:53:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:53:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:53:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-23 17:53:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-23 17:53:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-10-23 17:53:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-10-23 17:53:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:53:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-23 17:53:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-23 17:53:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-10-23 17:53:11,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506131339] [2020-10-23 17:53:11,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306903868] [2020-10-23 17:53:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:53:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:12,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 28 conjunts are in the unsatisfiable core [2020-10-23 17:53:12,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:53:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 202 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-23 17:53:12,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:53:12,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 19 [2020-10-23 17:53:12,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227807090] [2020-10-23 17:53:12,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-23 17:53:12,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:53:12,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-23 17:53:12,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-10-23 17:53:12,274 INFO L87 Difference]: Start difference. First operand 1516 states and 1703 transitions. Second operand 19 states. [2020-10-23 17:53:12,932 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:14,000 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:14,921 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:15,874 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:53:16,693 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-23 17:53:17,438 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-23 17:53:17,827 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:53:20,733 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:21,536 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:53:22,307 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 17:53:23,047 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-23 17:53:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:53:27,074 INFO L93 Difference]: Finished difference Result 3725 states and 4801 transitions. [2020-10-23 17:53:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-23 17:53:27,075 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 353 [2020-10-23 17:53:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:53:27,094 INFO L225 Difference]: With dead ends: 3725 [2020-10-23 17:53:27,094 INFO L226 Difference]: Without dead ends: 2994 [2020-10-23 17:53:27,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 515 SyntacticMatches, 5 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1739 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=1134, Invalid=4268, Unknown=0, NotChecked=0, Total=5402 [2020-10-23 17:53:27,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2020-10-23 17:53:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 1967. [2020-10-23 17:53:27,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1967 states. [2020-10-23 17:53:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 2216 transitions. [2020-10-23 17:53:27,484 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 2216 transitions. Word has length 353 [2020-10-23 17:53:27,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:53:27,485 INFO L481 AbstractCegarLoop]: Abstraction has 1967 states and 2216 transitions. [2020-10-23 17:53:27,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-23 17:53:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2216 transitions. [2020-10-23 17:53:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2020-10-23 17:53:27,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:53:27,493 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:53:27,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:53:27,708 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]=== [2020-10-23 17:53:27,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:53:27,709 INFO L82 PathProgramCache]: Analyzing trace with hash 913769616, now seen corresponding path program 1 times [2020-10-23 17:53:27,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:53:27,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338300937] [2020-10-23 17:53:27,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:53:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,167 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:53:28,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:53:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:53:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:53:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:53:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:53:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:53:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:53:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-23 17:53:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-23 17:53:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:53:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:53:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:53:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-23 17:53:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:53:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-23 17:53:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-23 17:53:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:53:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-23 17:53:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:53:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:53:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:53:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-23 17:53:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-23 17:53:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-23 17:53:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-23 17:53:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:53:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 17:53:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:53:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-10-23 17:53:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-23 17:53:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:53:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2020-10-23 17:53:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:53:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:53:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:53:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:53:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-10-23 17:53:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-23 17:53:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 114 proven. 73 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2020-10-23 17:53:28,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338300937] [2020-10-23 17:53:28,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807737241] [2020-10-23 17:53:28,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:53:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:53:29,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 42 conjunts are in the unsatisfiable core [2020-10-23 17:53:29,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:53:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 257 proven. 49 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-23 17:53:29,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 17:53:29,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 25 [2020-10-23 17:53:29,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170387482] [2020-10-23 17:53:29,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-23 17:53:29,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:53:29,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-23 17:53:29,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-10-23 17:53:29,766 INFO L87 Difference]: Start difference. First operand 1967 states and 2216 transitions. Second operand 25 states. [2020-10-23 17:53:30,922 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-23 17:53:32,050 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:53:33,119 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:53:34,448 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 17:53:34,994 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:53:35,411 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 17:53:38,044 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-10-23 17:53:38,852 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-10-23 17:53:39,650 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2020-10-23 17:53:40,363 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-23 17:53:42,757 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-23 17:53:44,382 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-23 17:53:45,554 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 216 [2020-10-23 17:53:46,451 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-23 17:53:47,345 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-23 17:53:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:53:55,985 INFO L93 Difference]: Finished difference Result 7229 states and 9505 transitions. [2020-10-23 17:53:55,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-10-23 17:53:55,986 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 426 [2020-10-23 17:53:55,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:53:55,988 INFO L225 Difference]: With dead ends: 7229 [2020-10-23 17:53:55,988 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 17:53:56,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 627 SyntacticMatches, 9 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4529 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=2316, Invalid=10116, Unknown=0, NotChecked=0, Total=12432 [2020-10-23 17:53:56,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 17:53:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 17:53:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 17:53:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 17:53:56,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 426 [2020-10-23 17:53:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:53:56,014 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 17:53:56,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-23 17:53:56,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 17:53:56,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 17:53:56,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-23 17:53:56,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 17:54:02,399 WARN L193 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 910 DAG size of output: 654 [2020-10-23 17:54:04,389 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 251 [2020-10-23 17:54:06,367 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 250 [2020-10-23 17:54:10,032 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 672 DAG size of output: 494 [2020-10-23 17:54:14,193 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:14,376 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:14,594 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 258 [2020-10-23 17:54:15,031 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:15,178 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:15,350 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:15,727 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:16,010 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:16,273 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:16,759 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:16,967 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-10-23 17:54:17,189 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:18,765 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:20,510 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:20,947 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:21,405 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:21,563 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:21,763 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:22,029 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:22,370 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:23,739 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:25,293 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:25,600 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:25,733 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:25,929 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:26,428 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-10-23 17:54:26,765 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:27,918 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:28,258 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:28,419 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:29,177 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 225 [2020-10-23 17:54:29,366 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:29,570 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:29,707 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:30,029 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:30,877 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:31,080 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:31,261 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:31,474 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:31,859 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:32,181 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:32,881 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:33,016 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:33,186 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:33,836 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:34,235 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-10-23 17:54:36,434 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:43,799 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-10-23 17:54:44,048 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 256 [2020-10-23 17:54:44,174 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-10-23 17:54:44,354 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-10-23 17:54:44,721 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-10-23 17:54:45,006 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 257 [2020-10-23 17:54:48,592 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-23 17:54:53,191 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 249 [2020-10-23 17:54:55,278 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 598 DAG size of output: 458 [2020-10-23 17:55:02,805 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 818 DAG size of output: 647 [2020-10-23 17:55:10,358 WARN L193 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 576 DAG size of output: 42 [2020-10-23 17:55:13,017 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 258 DAG size of output: 68 [2020-10-23 17:55:14,390 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 242 DAG size of output: 39 [2020-10-23 17:55:17,886 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 271 DAG size of output: 37 [2020-10-23 17:55:18,386 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-23 17:55:18,794 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-23 17:55:19,136 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-10-23 17:55:19,859 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-10-23 17:55:20,245 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-10-23 17:55:22,677 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 240 DAG size of output: 44 [2020-10-23 17:55:23,673 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-23 17:55:28,213 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 421 DAG size of output: 39 [2020-10-23 17:55:28,538 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 1 [2020-10-23 17:55:29,040 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-23 17:55:30,412 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 231 DAG size of output: 34 [2020-10-23 17:55:30,786 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:55:31,161 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 17:55:31,496 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-10-23 17:55:31,826 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 1 [2020-10-23 17:55:36,290 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 442 DAG size of output: 49 [2020-10-23 17:55:36,630 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-10-23 17:55:38,408 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 439 DAG size of output: 1 [2020-10-23 17:55:41,094 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 379 DAG size of output: 37 [2020-10-23 17:55:43,416 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 251 DAG size of output: 33 [2020-10-23 17:55:44,453 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-23 17:55:47,126 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 243 DAG size of output: 35 [2020-10-23 17:55:50,287 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 237 DAG size of output: 37 [2020-10-23 17:55:52,773 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 283 DAG size of output: 33 [2020-10-23 17:55:57,047 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 430 DAG size of output: 42 [2020-10-23 17:55:57,478 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2020-10-23 17:55:57,863 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-23 17:56:00,056 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-10-23 17:56:02,297 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-10-23 17:56:02,674 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-23 17:56:05,167 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 283 DAG size of output: 33 [2020-10-23 17:56:07,280 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 270 DAG size of output: 27 [2020-10-23 17:56:09,962 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 230 DAG size of output: 70 [2020-10-23 17:56:10,353 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 17:56:10,705 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-10-23 17:56:12,156 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 235 DAG size of output: 32 [2020-10-23 17:56:12,517 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-23 17:56:12,878 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-10-23 17:56:13,208 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 18 [2020-10-23 17:56:13,538 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-23 17:56:14,023 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 1 [2020-10-23 17:56:14,368 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-10-23 17:56:17,382 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 355 DAG size of output: 42 [2020-10-23 17:56:17,736 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-10-23 17:56:19,611 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 231 DAG size of output: 34 [2020-10-23 17:56:21,495 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 231 DAG size of output: 34 [2020-10-23 17:56:23,924 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 238 DAG size of output: 38 [2020-10-23 17:56:25,293 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 231 DAG size of output: 34 [2020-10-23 17:56:27,567 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-10-23 17:56:27,974 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-23 17:56:28,305 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 1 [2020-10-23 17:56:33,730 WARN L193 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 547 DAG size of output: 37 [2020-10-23 17:56:35,095 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 221 DAG size of output: 49 [2020-10-23 17:56:37,848 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 289 DAG size of output: 34 [2020-10-23 17:56:37,854 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 17:56:37,854 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 17:56:37,855 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 17:56:37,855 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 17:56:37,855 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 567) no Hoare annotation was computed. [2020-10-23 17:56:37,855 INFO L274 CegarLoopResult]: For program point L568(lines 545 569) no Hoare annotation was computed. [2020-10-23 17:56:37,856 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 521 576) no Hoare annotation was computed. [2020-10-23 17:56:37,856 INFO L274 CegarLoopResult]: For program point L552(lines 552 556) no Hoare annotation was computed. [2020-10-23 17:56:37,856 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2020-10-23 17:56:37,856 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 521 576) no Hoare annotation was computed. [2020-10-23 17:56:37,857 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-23 17:56:37,857 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 521 576) no Hoare annotation was computed. [2020-10-23 17:56:37,857 INFO L274 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-10-23 17:56:37,857 INFO L274 CegarLoopResult]: For program point L609-1(lines 609 613) no Hoare annotation was computed. [2020-10-23 17:56:37,857 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point L603-2(lines 603 628) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 577 636) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point L629(lines 602 630) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 577 636) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 577 636) no Hoare annotation was computed. [2020-10-23 17:56:37,858 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 906 912) the Hoare annotation is: true [2020-10-23 17:56:37,859 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 906 912) no Hoare annotation was computed. [2020-10-23 17:56:37,860 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 913 921) no Hoare annotation was computed. [2020-10-23 17:56:37,860 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 913 921) the Hoare annotation is: true [2020-10-23 17:56:37,860 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 913 921) no Hoare annotation was computed. [2020-10-23 17:56:37,860 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 837 844) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-23 17:56:37,860 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 837 844) no Hoare annotation was computed. [2020-10-23 17:56:37,860 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 837 844) no Hoare annotation was computed. [2020-10-23 17:56:37,862 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 845 854) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse7 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse6 .cse0 .cse7 .cse3 .cse4 (not (<= ~waterLevel~0 1))) (or .cse5 .cse2 .cse7 .cse3 .cse4))) [2020-10-23 17:56:37,862 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 845 854) no Hoare annotation was computed. [2020-10-23 17:56:37,862 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 845 854) no Hoare annotation was computed. [2020-10-23 17:56:37,862 INFO L274 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-10-23 17:56:37,862 INFO L270 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse8 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse5 (not (= ~waterLevel~0 1)) .cse0 .cse2 .cse3 .cse8) (or .cse1 .cse2 .cse3 .cse6) (or .cse7 .cse1 .cse3 .cse6) (or .cse5 .cse0 .cse2 (not (<= ~waterLevel~0 0)) .cse3 .cse8))) [2020-10-23 17:56:37,862 INFO L274 CegarLoopResult]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-10-23 17:56:37,862 INFO L274 CegarLoopResult]: For program point L863(lines 863 880) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point L863-1(lines 855 883) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L277 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: true [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 855 883) the Hoare annotation is: true [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 855 883) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L270 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse5 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse4 .cse5 .cse2 .cse3))) [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point L867(lines 867 877) no Hoare annotation was computed. [2020-10-23 17:56:37,863 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 1005 1027) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,863 INFO L270 CegarLoopResult]: At program point L1017(line 1017) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,863 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 1005 1027) no Hoare annotation was computed. [2020-10-23 17:56:37,864 INFO L270 CegarLoopResult]: At program point L1017-1(line 1017) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,864 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1022) no Hoare annotation was computed. [2020-10-23 17:56:37,864 INFO L274 CegarLoopResult]: For program point L1015-1(lines 1015 1022) no Hoare annotation was computed. [2020-10-23 17:56:37,864 INFO L274 CegarLoopResult]: For program point L1013(line 1013) no Hoare annotation was computed. [2020-10-23 17:56:37,864 INFO L270 CegarLoopResult]: At program point L1012(line 1012) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,864 INFO L270 CegarLoopResult]: At program point L1011(line 1011) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,865 INFO L270 CegarLoopResult]: At program point L1011-1(line 1011) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 1005 1027) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 963 986) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 963 986) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 963 986) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-10-23 17:56:37,865 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L972(line 972) no Hoare annotation was computed. [2020-10-23 17:56:37,866 INFO L274 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-10-23 17:56:37,868 INFO L274 CegarLoopResult]: For program point L970(line 970) no Hoare annotation was computed. [2020-10-23 17:56:37,868 INFO L274 CegarLoopResult]: For program point L969(line 969) no Hoare annotation was computed. [2020-10-23 17:56:37,868 INFO L274 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-10-23 17:56:37,868 INFO L270 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-10-23 17:56:37,868 INFO L274 CegarLoopResult]: For program point L192-1(line 192) no Hoare annotation was computed. [2020-10-23 17:56:37,868 INFO L274 CegarLoopResult]: For program point L190(lines 190 207) no Hoare annotation was computed. [2020-10-23 17:56:37,869 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 186 210) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse4 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,869 INFO L270 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1 .cse4 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,869 INFO L274 CegarLoopResult]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2020-10-23 17:56:37,869 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 186 210) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L270 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-10-23 17:56:37,870 INFO L270 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 281 289) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 281 289) the Hoare annotation is: true [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 281 289) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L277 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: true [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point L354-2(lines 354 358) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point L352-1(line 352) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 345 363) the Hoare annotation is: true [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 345 363) no Hoare annotation was computed. [2020-10-23 17:56:37,870 INFO L274 CegarLoopResult]: For program point L354(lines 354 358) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 345 363) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 290 325) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point L297-2(lines 297 305) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 290 325) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 290 325) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 899 905) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 899 905) the Hoare annotation is: true [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 475 520) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 475 520) no Hoare annotation was computed. [2020-10-23 17:56:37,871 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 475 520) no Hoare annotation was computed. [2020-10-23 17:56:37,872 INFO L274 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 788 833) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point L819(lines 819 820) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 812 813) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 819 820) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point L812(lines 812 813) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 788 833) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 788 833) no Hoare annotation was computed. [2020-10-23 17:56:37,873 INFO L274 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 994 1004) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 994 1004) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L270 CegarLoopResult]: At program point L999(line 999) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 994 1004) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 270 280) the Hoare annotation is: true [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 270 280) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 270 280) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L277 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: true [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-23 17:56:37,874 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 262 269) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4))) [2020-10-23 17:56:37,874 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 262 269) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 262 269) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point L449(lines 449 455) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 445 458) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 445 458) the Hoare annotation is: true [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 445 458) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L270 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (and (<= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse3 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse4) (or .cse5 .cse3 .cse6 .cse7) (or .cse0 .cse3 .cse6 .cse4))) [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point L220(lines 220 228) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L270 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse1 .cse7) (or .cse8 .cse1 .cse2 .cse7) (or .cse4 .cse5 .cse8 .cse6 .cse1 .cse7) (or .cse8 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse7))) [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point L216(lines 216 233) no Hoare annotation was computed. [2020-10-23 17:56:37,875 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 212 236) no Hoare annotation was computed. [2020-10-23 17:56:37,876 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 212 236) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse7 .cse5) (or .cse0 (not (<= ~waterLevel~0 2)) .cse3 .cse4 .cse7) (or .cse6 .cse3 .cse4 .cse7 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,876 INFO L270 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse0 (not (<= ~waterLevel~0 2)) .cse6 .cse3 .cse7) (or .cse5 .cse6 .cse3 .cse7 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,876 INFO L274 CegarLoopResult]: For program point L231-1(lines 212 236) no Hoare annotation was computed. [2020-10-23 17:56:37,876 INFO L270 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (and (<= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse5 .cse6) (or .cse7 .cse3 .cse5 .cse4) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse8 .cse7 .cse3) (or .cse1 .cse2 .cse8 .cse7 (not (<= ~waterLevel~0 0)) .cse3) (or .cse7 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse5 .cse4))) [2020-10-23 17:56:37,876 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2020-10-23 17:56:37,876 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2020-10-23 17:56:37,876 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2020-10-23 17:56:37,876 INFO L270 CegarLoopResult]: At program point testENTRY(lines 46 109) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,876 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-23 17:56:37,876 INFO L274 CegarLoopResult]: For program point testFINAL(lines 46 109) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L270 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:56:37,877 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L270 CegarLoopResult]: At program point L92-2(lines 86 97) the Hoare annotation is: (let ((.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse4) (and .cse6 .cse7 .cse2 .cse5 .cse4) (not .cse6) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse4) (and .cse6 .cse1 .cse7 .cse2 .cse4))) [2020-10-23 17:56:37,877 INFO L274 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L274 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse5 .cse2 (<= 1 ~methaneLevelCritical~0) .cse3) (not .cse4) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse5 .cse2 .cse3))) [2020-10-23 17:56:37,877 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L274 CegarLoopResult]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2020-10-23 17:56:37,877 INFO L270 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse1 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4) (and (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (not .cse2) (not (= |old(~pumpRunning~0)| 0)) (and .cse2 .cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (<= 1 ~methaneLevelCritical~0) .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse0 .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4))) [2020-10-23 17:56:37,878 INFO L270 CegarLoopResult]: At program point L99(lines 56 101) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse2 .cse3) (not .cse4) (and .cse4 .cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (<= 1 ~methaneLevelCritical~0) .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3))) [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point testEXIT(lines 46 109) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 766 767) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point L766(lines 766 767) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 773 774) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 742 787) no Hoare annotation was computed. [2020-10-23 17:56:37,878 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 742 787) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point L756(lines 756 776) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point L756-1(lines 756 776) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 742 787) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point L773(lines 773 774) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 237 244) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 237 244) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 237 244) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 459 467) no Hoare annotation was computed. [2020-10-23 17:56:37,879 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 459 467) the Hoare annotation is: true [2020-10-23 17:56:37,879 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 459 467) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 413 435) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 413 435) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 413 435) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L704(line 704) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 639 741) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L663(lines 663 667) no Hoare annotation was computed. [2020-10-23 17:56:37,880 INFO L274 CegarLoopResult]: For program point L727(lines 727 738) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L688-2(lines 688 708) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 639 741) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L709(lines 687 710) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L668(lines 668 684) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 639 741) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L689(lines 688 708) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-10-23 17:56:37,881 INFO L274 CegarLoopResult]: For program point L685(lines 685 726) no Hoare annotation was computed. [2020-10-23 17:56:37,882 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 889 898) no Hoare annotation was computed. [2020-10-23 17:56:37,882 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 889 898) no Hoare annotation was computed. [2020-10-23 17:56:37,882 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 889 898) no Hoare annotation was computed. [2020-10-23 17:56:37,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,882 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 17:56:37,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L270 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2))) [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point L256-1(lines 245 261) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point L252(lines 252 258) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 245 261) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L270 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 245 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 326 344) no Hoare annotation was computed. [2020-10-23 17:56:37,883 INFO L274 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L277 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: true [2020-10-23 17:56:37,884 INFO L274 CegarLoopResult]: For program point L335-2(lines 335 339) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L274 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 326 344) the Hoare annotation is: true [2020-10-23 17:56:37,884 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 326 344) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 436 444) the Hoare annotation is: true [2020-10-23 17:56:37,884 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 436 444) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 436 444) no Hoare annotation was computed. [2020-10-23 17:56:37,884 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse4 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse5 .cse4 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse3) (or .cse5 .cse4 .cse1 .cse2 .cse3))) [2020-10-23 17:56:37,885 INFO L274 CegarLoopResult]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2020-10-23 17:56:37,885 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 392 403) no Hoare annotation was computed. [2020-10-23 17:56:37,885 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,885 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,885 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,885 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse6 .cse2 .cse3) (or .cse5 .cse6 .cse7 (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse6 .cse7 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3))) [2020-10-23 17:56:37,886 INFO L270 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (let ((.cse19 (+ ~waterLevel~0 1))) (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= .cse19 |old(~waterLevel~0)|)) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= ~waterLevel~0 0)) (.cse18 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse2 (and .cse17 .cse16 .cse18)) (.cse13 (= ~pumpRunning~0 0)) (.cse11 (and .cse15 .cse17 (<= |old(~waterLevel~0)| .cse19) .cse18)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (and .cse12 .cse17)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (and .cse12 .cse17 .cse18)) (.cse3 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse5 .cse9) (or .cse1 .cse4 .cse10 .cse5 .cse11) (or .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse1 .cse8 .cse5 .cse9 (and .cse12 .cse13)) (or .cse7 (and (<= 2 ~waterLevel~0) .cse13 (<= ~waterLevel~0 2)) .cse10 .cse5 .cse9) (or .cse4 .cse7 .cse10 .cse5 .cse11) (or .cse1 .cse14 .cse3 .cse4 (and .cse15 .cse16) .cse8 .cse5) (or .cse6 .cse1 .cse10 .cse5 .cse9) (or .cse14 .cse3 .cse4 .cse7 .cse5 (not (<= |old(~waterLevel~0)| 0))))))) [2020-10-23 17:56:37,886 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse27 (+ ~waterLevel~0 1))) (let ((.cse19 (<= 2 ~waterLevel~0)) (.cse20 (<= ~waterLevel~0 2)) (.cse22 (= ~waterLevel~0 0)) (.cse21 (<= ~waterLevel~0 0)) (.cse24 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= .cse27 |old(~waterLevel~0)|)) (.cse7 (<= |old(~waterLevel~0)| .cse27)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse25 (<= |old(~waterLevel~0)| 1)) (.cse23 (= 1 ~systemActive~0)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse13 (= ~pumpRunning~0 0))) (let ((.cse14 (and .cse12 .cse25 .cse23 .cse26 .cse13)) (.cse0 (and .cse24 .cse5 .cse13 .cse7)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse15 (and .cse24 .cse12 .cse13 .cse21)) (.cse16 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not .cse26)) (.cse10 (not .cse25)) (.cse17 (and .cse24 .cse5 .cse13 .cse22)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse18 (and .cse19 .cse13 .cse20)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not .cse23)) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (or .cse9 .cse10 .cse4 .cse11 (and .cse12 .cse13)) (or .cse2 .cse10 .cse4 .cse14 .cse11) (or .cse9 .cse15 .cse16 .cse1 .cse10 .cse4 .cse17) (or (not (<= |old(~waterLevel~0)| 2)) .cse2 .cse18 .cse14 .cse4 .cse11 (and (<= 1 ~pumpRunning~0) .cse19 .cse20)) (or .cse0 .cse9 .cse1 .cse3 .cse4) (or (and .cse12 .cse6 .cse21 .cse8) (and .cse5 .cse6 .cse22 .cse8) .cse15 .cse16 .cse1 .cse2 .cse10 .cse4 .cse17) (or .cse9 .cse18 .cse3 .cse4 .cse11))))) [2020-10-23 17:56:37,886 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2020-10-23 17:56:37,886 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2020-10-23 17:56:37,886 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse2) (or .cse0 .cse7 .cse4 .cse5 .cse8 .cse2) (or .cse1 .cse7 .cse4 .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse2) (or .cse5 .cse4 .cse8 .cse6 .cse2) (or .cse0 .cse8 .cse2 .cse3))) [2020-10-23 17:56:37,886 INFO L274 CegarLoopResult]: For program point L132(lines 128 150) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point L130(lines 128 150) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 933 962) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L277 CegarLoopResult]: At program point L958(lines 933 962) the Hoare annotation is: true [2020-10-23 17:56:37,887 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 933 962) the Hoare annotation is: true [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point L954(line 954) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L277 CegarLoopResult]: At program point L947-1(lines 947 951) the Hoare annotation is: true [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-10-23 17:56:37,887 INFO L277 CegarLoopResult]: At program point L943-2(lines 943 957) the Hoare annotation is: true [2020-10-23 17:56:37,887 INFO L277 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: true [2020-10-23 17:56:37,887 INFO L274 CegarLoopResult]: For program point L939-1(line 939) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 404 412) the Hoare annotation is: true [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 404 412) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 404 412) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 368 379) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4))) [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 368 379) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point L372-1(lines 368 379) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 987 993) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 987 993) the Hoare annotation is: true [2020-10-23 17:56:37,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,888 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-23 17:56:37,889 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 17:56:37,889 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:56:37,889 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse4 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,889 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2020-10-23 17:56:37,889 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse5) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse5))) [2020-10-23 17:56:37,889 INFO L274 CegarLoopResult]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2020-10-23 17:56:37,889 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse1 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1 .cse4))) [2020-10-23 17:56:37,890 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1 .cse2 (not (<= ~waterLevel~0 1))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse4))) [2020-10-23 17:56:37,890 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-10-23 17:56:37,890 INFO L270 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 2)) .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1 .cse4 (not (= 2 ~waterLevel~0))))) [2020-10-23 17:56:37,890 INFO L274 CegarLoopResult]: For program point L166-1(line 166) no Hoare annotation was computed. [2020-10-23 17:56:37,890 INFO L274 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-10-23 17:56:37,890 INFO L274 CegarLoopResult]: For program point L384-1(lines 380 391) no Hoare annotation was computed. [2020-10-23 17:56:37,890 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 380 391) no Hoare annotation was computed. [2020-10-23 17:56:37,891 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 380 391) the Hoare annotation is: (let ((.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 2 ~waterLevel~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse8 .cse1 .cse6 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse7 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2020-10-23 17:56:37,891 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 923 930) no Hoare annotation was computed. [2020-10-23 17:56:37,891 INFO L274 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-10-23 17:56:37,891 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 923 930) the Hoare annotation is: true [2020-10-23 17:56:37,891 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 923 930) no Hoare annotation was computed. [2020-10-23 17:56:37,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:56:37 BoogieIcfgContainer [2020-10-23 17:56:37,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:56:37,920 INFO L168 Benchmark]: Toolchain (without parser) took 321484.40 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 125.9 MB in the beginning and 785.9 MB in the end (delta: -659.9 MB). Peak memory consumption was 845.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:56:37,920 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:56:37,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.42 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 102.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:56:37,921 INFO L168 Benchmark]: Boogie Preprocessor took 101.89 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 133.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:56:37,921 INFO L168 Benchmark]: RCFGBuilder took 1628.88 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 124.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:56:37,922 INFO L168 Benchmark]: TraceAbstraction took 319054.45 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 123.5 MB in the beginning and 785.9 MB in the end (delta: -662.4 MB). Peak memory consumption was 842.3 MB. Max. memory is 8.0 GB. [2020-10-23 17:56:37,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 683.42 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 102.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.89 ms. Allocated memory is still 151.0 MB. Free memory was 102.7 MB in the beginning and 133.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1628.88 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 124.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 319054.45 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 123.5 MB in the beginning and 785.9 MB in the end (delta: -662.4 MB). Peak memory consumption was 842.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 773]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 766]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 812]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 819]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) == 1) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && waterLevel <= 2) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && waterLevel <= 2) && splverifierCounter == 0)) || !(1 == systemActive)) || ((((1 == systemActive && pumpRunning == 0) && waterLevel <= \old(waterLevel) + 1) && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == 0) && pumpRunning <= switchedOnBeforeTS) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 274 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 157.2s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 134.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 161.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3439 SDtfs, 10140 SDslu, 8582 SDs, 0 SdLazy, 32300 SolverSat, 8561 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4158 GetRequests, 3567 SyntacticMatches, 26 SemanticMatches, 565 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12832 ImplicationChecksByTransitivity, 73.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1967occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 2534 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 6903 PreInvPairs, 8633 NumberOfFragments, 4183 HoareAnnotationTreeSize, 6903 FomulaSimplifications, 21471215756 FormulaSimplificationTreeSizeReduction, 68.0s HoareSimplificationTime, 73 FomulaSimplificationsInter, 8493930 FormulaSimplificationTreeSizeReductionInter, 92.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 5447 NumberOfCodeBlocks, 5447 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5425 ConstructedInterpolants, 0 QuantifiedInterpolants, 3467693 SizeOfPredicates, 30 NumberOfNonLiveVariables, 9775 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 4633/4988 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...