java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:40,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:40,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:40,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:40,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:40,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:40,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:40,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:40,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:40,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:40,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:40,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:40,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:40,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:40,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:40,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:40,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:40,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:40,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:40,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:40,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:40,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:40,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:40,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:40,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:40,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:40,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:40,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:40,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:40,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:40,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:40,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:40,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:40,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:40,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:40,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:40,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:40,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:40,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:40,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:40,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:40,625 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 [2019-09-20 13:06:40,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:40,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:40,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:40,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:40,652 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:40,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:40,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:40,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:40,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:40,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:40,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:40,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:40,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:40,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:40,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:40,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:40,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:40,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:40,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:40,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:40,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:40,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:40,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:40,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:40,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:40,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:40,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:40,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:40,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:40,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:40,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:40,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:40,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:40,731 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:40,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-09-20 13:06:40,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e84a702/883485a2696b414a880ab23dee8a9aa0/FLAG6092b9793 [2019-09-20 13:06:41,320 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:41,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-09-20 13:06:41,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e84a702/883485a2696b414a880ab23dee8a9aa0/FLAG6092b9793 [2019-09-20 13:06:41,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e84a702/883485a2696b414a880ab23dee8a9aa0 [2019-09-20 13:06:41,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:41,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:41,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:41,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:41,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:41,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:41" (1/1) ... [2019-09-20 13:06:41,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ce7160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:41, skipping insertion in model container [2019-09-20 13:06:41,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:41" (1/1) ... [2019-09-20 13:06:41,678 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:41,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:42,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:42,223 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:42,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:42,409 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:42,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42 WrapperNode [2019-09-20 13:06:42,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:42,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:42,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:42,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:42,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (1/1) ... [2019-09-20 13:06:42,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:42,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:42,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:42,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:42,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (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 [2019-09-20 13:06:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:06:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:43,945 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:43,945 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:43,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:43 BoogieIcfgContainer [2019-09-20 13:06:43,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:43,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:43,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:43,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:41" (1/3) ... [2019-09-20 13:06:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd979f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:43, skipping insertion in model container [2019-09-20 13:06:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:42" (2/3) ... [2019-09-20 13:06:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd979f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:43, skipping insertion in model container [2019-09-20 13:06:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:43" (3/3) ... [2019-09-20 13:06:43,956 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-09-20 13:06:43,968 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:43,979 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:43,995 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:44,022 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:44,023 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:44,023 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:44,023 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:44,024 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:44,024 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:44,024 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:44,024 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:44,024 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-09-20 13:06:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:44,057 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,058 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:44,061 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,067 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2019-09-20 13:06:44,069 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:44,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:44,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:44,444 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:44,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:44,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:44,474 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-09-20 13:06:44,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,519 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2019-09-20 13:06:44,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:44,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:44,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,535 INFO L225 Difference]: With dead ends: 314 [2019-09-20 13:06:44,536 INFO L226 Difference]: Without dead ends: 157 [2019-09-20 13:06:44,541 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:44,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-09-20 13:06:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-09-20 13:06:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-09-20 13:06:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2019-09-20 13:06:44,605 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2019-09-20 13:06:44,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,606 INFO L475 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2019-09-20 13:06:44,606 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2019-09-20 13:06:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:44,610 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,610 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:44,611 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2019-09-20 13:06:44,611 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:44,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:44,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:44,781 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:44,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:44,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:44,783 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2019-09-20 13:06:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,836 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2019-09-20 13:06:44,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:44,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:44,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,839 INFO L225 Difference]: With dead ends: 259 [2019-09-20 13:06:44,840 INFO L226 Difference]: Without dead ends: 148 [2019-09-20 13:06:44,842 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-09-20 13:06:44,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-09-20 13:06:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-09-20 13:06:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2019-09-20 13:06:44,861 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2019-09-20 13:06:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,862 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2019-09-20 13:06:44,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2019-09-20 13:06:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:06:44,865 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,865 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:44,865 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2019-09-20 13:06:44,866 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:45,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:45,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:45,062 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:45,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:45,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:45,063 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 7 states. [2019-09-20 13:06:45,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:45,468 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2019-09-20 13:06:45,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:45,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:06:45,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:45,473 INFO L225 Difference]: With dead ends: 272 [2019-09-20 13:06:45,476 INFO L226 Difference]: Without dead ends: 148 [2019-09-20 13:06:45,478 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:45,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-09-20 13:06:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-09-20 13:06:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-09-20 13:06:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2019-09-20 13:06:45,503 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2019-09-20 13:06:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:45,504 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2019-09-20 13:06:45,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2019-09-20 13:06:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:06:45,508 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:45,508 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:45,508 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2019-09-20 13:06:45,509 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:45,509 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:45,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:45,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:45,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:06:45,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:06:45,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:06:45,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:45,668 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2019-09-20 13:06:46,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,278 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2019-09-20 13:06:46,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:46,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-20 13:06:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,285 INFO L225 Difference]: With dead ends: 389 [2019-09-20 13:06:46,285 INFO L226 Difference]: Without dead ends: 265 [2019-09-20 13:06:46,287 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-09-20 13:06:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2019-09-20 13:06:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-09-20 13:06:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2019-09-20 13:06:46,317 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2019-09-20 13:06:46,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,317 INFO L475 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2019-09-20 13:06:46,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:06:46,317 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2019-09-20 13:06:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-20 13:06:46,320 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,320 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:46,321 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,321 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2019-09-20 13:06:46,321 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:46,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:46,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:46,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:46,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:46,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:46,494 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2019-09-20 13:06:47,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:47,243 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2019-09-20 13:06:47,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:47,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-09-20 13:06:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:47,253 INFO L225 Difference]: With dead ends: 803 [2019-09-20 13:06:47,253 INFO L226 Difference]: Without dead ends: 581 [2019-09-20 13:06:47,256 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:47,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-09-20 13:06:47,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2019-09-20 13:06:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-09-20 13:06:47,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2019-09-20 13:06:47,341 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2019-09-20 13:06:47,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:47,341 INFO L475 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2019-09-20 13:06:47,341 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2019-09-20 13:06:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-20 13:06:47,346 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:47,347 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2019-09-20 13:06:47,347 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:47,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2008036261, now seen corresponding path program 1 times [2019-09-20 13:06:47,348 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:47,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:47,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-20 13:06:47,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:47,440 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:47,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:47,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:47,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:47,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-20 13:06:47,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:47,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:47,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:47,746 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 6 states. [2019-09-20 13:06:47,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:47,831 INFO L93 Difference]: Finished difference Result 1139 states and 1362 transitions. [2019-09-20 13:06:47,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:47,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2019-09-20 13:06:47,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:47,839 INFO L225 Difference]: With dead ends: 1139 [2019-09-20 13:06:47,839 INFO L226 Difference]: Without dead ends: 592 [2019-09-20 13:06:47,842 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-09-20 13:06:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2019-09-20 13:06:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-09-20 13:06:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 676 transitions. [2019-09-20 13:06:47,898 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 676 transitions. Word has length 148 [2019-09-20 13:06:47,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:47,898 INFO L475 AbstractCegarLoop]: Abstraction has 586 states and 676 transitions. [2019-09-20 13:06:47,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 676 transitions. [2019-09-20 13:06:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-20 13:06:47,908 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:47,908 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2019-09-20 13:06:47,908 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:47,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:47,909 INFO L82 PathProgramCache]: Analyzing trace with hash -935545817, now seen corresponding path program 1 times [2019-09-20 13:06:47,909 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:47,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:47,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-20 13:06:48,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:48,051 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:48,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:48,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:48,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:48,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:48,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:48,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:48,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:48,386 INFO L87 Difference]: Start difference. First operand 586 states and 676 transitions. Second operand 11 states. [2019-09-20 13:06:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:48,451 INFO L93 Difference]: Finished difference Result 1038 states and 1231 transitions. [2019-09-20 13:06:48,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:48,451 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2019-09-20 13:06:48,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:48,455 INFO L225 Difference]: With dead ends: 1038 [2019-09-20 13:06:48,455 INFO L226 Difference]: Without dead ends: 476 [2019-09-20 13:06:48,457 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:48,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2019-09-20 13:06:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2019-09-20 13:06:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-09-20 13:06:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 545 transitions. [2019-09-20 13:06:48,491 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 545 transitions. Word has length 148 [2019-09-20 13:06:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:48,491 INFO L475 AbstractCegarLoop]: Abstraction has 476 states and 545 transitions. [2019-09-20 13:06:48,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 545 transitions. [2019-09-20 13:06:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-09-20 13:06:48,497 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:48,497 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:48,498 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:48,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:48,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1056729316, now seen corresponding path program 1 times [2019-09-20 13:06:48,498 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:48,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:48,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:06:48,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:48,631 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:48,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:06:48,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:06:48,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:48,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:06:48,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:48,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:48,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:48,894 INFO L87 Difference]: Start difference. First operand 476 states and 545 transitions. Second operand 6 states. [2019-09-20 13:06:49,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:49,686 INFO L93 Difference]: Finished difference Result 998 states and 1187 transitions. [2019-09-20 13:06:49,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:49,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2019-09-20 13:06:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:49,692 INFO L225 Difference]: With dead ends: 998 [2019-09-20 13:06:49,692 INFO L226 Difference]: Without dead ends: 612 [2019-09-20 13:06:49,694 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-09-20 13:06:49,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 560. [2019-09-20 13:06:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-09-20 13:06:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 648 transitions. [2019-09-20 13:06:49,766 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 648 transitions. Word has length 156 [2019-09-20 13:06:49,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:49,767 INFO L475 AbstractCegarLoop]: Abstraction has 560 states and 648 transitions. [2019-09-20 13:06:49,767 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 648 transitions. [2019-09-20 13:06:49,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-20 13:06:49,770 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:49,770 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:49,771 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:49,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:49,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1224194793, now seen corresponding path program 1 times [2019-09-20 13:06:49,771 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:49,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:49,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-20 13:06:49,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:49,910 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:49,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:50,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:06:50,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:50,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:50,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2019-09-20 13:06:50,256 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:50,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:50,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:50,258 INFO L87 Difference]: Start difference. First operand 560 states and 648 transitions. Second operand 13 states. [2019-09-20 13:06:54,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:54,318 INFO L93 Difference]: Finished difference Result 1478 states and 1839 transitions. [2019-09-20 13:06:54,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-09-20 13:06:54,319 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 148 [2019-09-20 13:06:54,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:54,327 INFO L225 Difference]: With dead ends: 1478 [2019-09-20 13:06:54,328 INFO L226 Difference]: Without dead ends: 1010 [2019-09-20 13:06:54,331 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=535, Invalid=2545, Unknown=0, NotChecked=0, Total=3080 [2019-09-20 13:06:54,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2019-09-20 13:06:54,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 870. [2019-09-20 13:06:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2019-09-20 13:06:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1020 transitions. [2019-09-20 13:06:54,395 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1020 transitions. Word has length 148 [2019-09-20 13:06:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:54,396 INFO L475 AbstractCegarLoop]: Abstraction has 870 states and 1020 transitions. [2019-09-20 13:06:54,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1020 transitions. [2019-09-20 13:06:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-20 13:06:54,399 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:54,400 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:54,400 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:54,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:54,402 INFO L82 PathProgramCache]: Analyzing trace with hash 350169461, now seen corresponding path program 1 times [2019-09-20 13:06:54,402 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:54,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:54,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:54,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:54,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-20 13:06:54,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:54,574 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:54,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:54,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:54,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:54,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:54,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:54,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:54,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:54,843 INFO L87 Difference]: Start difference. First operand 870 states and 1020 transitions. Second operand 11 states. [2019-09-20 13:06:56,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:56,486 INFO L93 Difference]: Finished difference Result 1721 states and 2102 transitions. [2019-09-20 13:06:56,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:56,487 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2019-09-20 13:06:56,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:56,493 INFO L225 Difference]: With dead ends: 1721 [2019-09-20 13:06:56,494 INFO L226 Difference]: Without dead ends: 943 [2019-09-20 13:06:56,497 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:56,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2019-09-20 13:06:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 852. [2019-09-20 13:06:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-09-20 13:06:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 998 transitions. [2019-09-20 13:06:56,577 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 998 transitions. Word has length 174 [2019-09-20 13:06:56,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:56,578 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 998 transitions. [2019-09-20 13:06:56,578 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 998 transitions. [2019-09-20 13:06:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-20 13:06:56,585 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:56,586 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:56,587 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:56,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1949464188, now seen corresponding path program 2 times [2019-09-20 13:06:56,588 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:56,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:56,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:56,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-20 13:06:56,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:56,943 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:57,016 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:57,199 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:57,200 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:57,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:57,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:57,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-20 13:06:57,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:57,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:57,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:57,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:57,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:57,469 INFO L87 Difference]: Start difference. First operand 852 states and 998 transitions. Second operand 16 states. [2019-09-20 13:07:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:00,570 INFO L93 Difference]: Finished difference Result 2158 states and 2657 transitions. [2019-09-20 13:07:00,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:07:00,570 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 244 [2019-09-20 13:07:00,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:00,581 INFO L225 Difference]: With dead ends: 2158 [2019-09-20 13:07:00,581 INFO L226 Difference]: Without dead ends: 1396 [2019-09-20 13:07:00,585 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:07:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2019-09-20 13:07:00,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1192. [2019-09-20 13:07:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2019-09-20 13:07:00,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1386 transitions. [2019-09-20 13:07:00,671 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1386 transitions. Word has length 244 [2019-09-20 13:07:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:00,672 INFO L475 AbstractCegarLoop]: Abstraction has 1192 states and 1386 transitions. [2019-09-20 13:07:00,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:07:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1386 transitions. [2019-09-20 13:07:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-20 13:07:00,679 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:07:00,679 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:07:00,680 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:07:00,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:07:00,680 INFO L82 PathProgramCache]: Analyzing trace with hash -956209094, now seen corresponding path program 1 times [2019-09-20 13:07:00,680 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:07:00,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:07:00,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:00,683 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:07:00,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:07:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-09-20 13:07:00,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:07:00,830 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:07:00,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:07:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:07:01,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:07:01,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:07:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (8)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:07:01,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:07:01,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:07:01,206 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:07:01,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:07:01,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:07:01,209 INFO L87 Difference]: Start difference. First operand 1192 states and 1386 transitions. Second operand 13 states. [2019-09-20 13:07:01,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:07:01,314 INFO L93 Difference]: Finished difference Result 1536 states and 1783 transitions. [2019-09-20 13:07:01,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:07:01,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2019-09-20 13:07:01,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:07:01,318 INFO L225 Difference]: With dead ends: 1536 [2019-09-20 13:07:01,318 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:07:01,322 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:07:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:07:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:07:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:07:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:07:01,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-09-20 13:07:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:07:01,324 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:07:01,324 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:07:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:07:01,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:07:01,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:07:03,293 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-20 13:07:04,650 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2019-09-20 13:07:04,782 INFO L443 ceAbstractionStarter]: For program point L639(lines 616 640) no Hoare annotation was computed. [2019-09-20 13:07:04,783 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2019-09-20 13:07:04,783 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 627) no Hoare annotation was computed. [2019-09-20 13:07:04,783 INFO L443 ceAbstractionStarter]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2019-09-20 13:07:04,783 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-09-20 13:07:04,783 INFO L443 ceAbstractionStarter]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point L700(lines 673 701) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2019-09-20 13:07:04,784 INFO L443 ceAbstractionStarter]: For program point L693(line 693) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point L693-1(line 693) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2019-09-20 13:07:04,785 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-09-20 13:07:04,786 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2019-09-20 13:07:04,786 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2019-09-20 13:07:04,786 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2019-09-20 13:07:04,786 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2019-09-20 13:07:04,786 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2019-09-20 13:07:04,787 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-09-20 13:07:04,787 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2019-09-20 13:07:04,787 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2019-09-20 13:07:04,787 INFO L439 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:07:04,787 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-09-20 13:07:04,788 INFO L439 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:07:04,788 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-09-20 13:07:04,788 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2019-09-20 13:07:04,788 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2019-09-20 13:07:04,788 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-09-20 13:07:04,788 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,789 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2019-09-20 13:07:04,789 INFO L439 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,789 INFO L439 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 1) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,789 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-09-20 13:07:04,789 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2019-09-20 13:07:04,789 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2019-09-20 13:07:04,790 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-09-20 13:07:04,790 INFO L439 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,790 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,790 INFO L439 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,790 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-09-20 13:07:04,791 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-20 13:07:04,792 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-09-20 13:07:04,793 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-20 13:07:04,793 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:07:04,793 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2019-09-20 13:07:04,793 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,793 INFO L439 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,793 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2019-09-20 13:07:04,794 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (or (or .cse1 .cse0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,794 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2019-09-20 13:07:04,794 INFO L439 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,794 INFO L443 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2019-09-20 13:07:04,794 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2019-09-20 13:07:04,794 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2019-09-20 13:07:04,795 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2019-09-20 13:07:04,795 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2019-09-20 13:07:04,795 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2019-09-20 13:07:04,795 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-09-20 13:07:04,795 INFO L446 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2019-09-20 13:07:04,795 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 323) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 311) no Hoare annotation was computed. [2019-09-20 13:07:04,796 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2019-09-20 13:07:04,797 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 886) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 893) no Hoare annotation was computed. [2019-09-20 13:07:04,798 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2019-09-20 13:07:04,799 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2019-09-20 13:07:04,799 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,799 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2019-09-20 13:07:04,799 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2019-09-20 13:07:04,799 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2019-09-20 13:07:04,799 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2019-09-20 13:07:04,800 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-09-20 13:07:04,800 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-09-20 13:07:04,800 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2019-09-20 13:07:04,800 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:07:04,800 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2019-09-20 13:07:04,800 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2019-09-20 13:07:04,801 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2019-09-20 13:07:04,801 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2019-09-20 13:07:04,801 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2019-09-20 13:07:04,801 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2019-09-20 13:07:04,801 INFO L439 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,801 INFO L443 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2019-09-20 13:07:04,802 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2019-09-20 13:07:04,802 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2019-09-20 13:07:04,802 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,802 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:07:04,802 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2019-09-20 13:07:04,802 INFO L439 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,803 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse0) (not (<= 2 ~waterLevel~0))) (or .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,803 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2019-09-20 13:07:04,803 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2019-09-20 13:07:04,803 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2019-09-20 13:07:04,803 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,803 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-09-20 13:07:04,804 INFO L439 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:04,804 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-09-20 13:07:04,804 INFO L439 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:04,804 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-09-20 13:07:04,804 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:04,804 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-09-20 13:07:04,805 INFO L439 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:04,805 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-09-20 13:07:04,805 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-09-20 13:07:04,805 INFO L439 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:04,805 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 840) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 847) no Hoare annotation was computed. [2019-09-20 13:07:04,806 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2019-09-20 13:07:04,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 969) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2019-09-20 13:07:04,808 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 806) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point L760(lines 759 779) no Hoare annotation was computed. [2019-09-20 13:07:04,809 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 797) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 809) no Hoare annotation was computed. [2019-09-20 13:07:04,810 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point L780(lines 758 781) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 755) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,811 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:04,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,812 INFO L439 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:04,812 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-09-20 13:07:04,812 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2019-09-20 13:07:04,812 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:04,812 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:04,813 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2019-09-20 13:07:04,813 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-09-20 13:07:04,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2019-09-20 13:07:04,813 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2019-09-20 13:07:04,813 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2019-09-20 13:07:04,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2019-09-20 13:07:04,814 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-09-20 13:07:04,814 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2019-09-20 13:07:04,814 INFO L443 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2019-09-20 13:07:04,814 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2019-09-20 13:07:04,814 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2019-09-20 13:07:04,814 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2019-09-20 13:07:04,814 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2019-09-20 13:07:04,814 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2019-09-20 13:07:04,815 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2019-09-20 13:07:04,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,815 INFO L439 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-09-20 13:07:04,815 INFO L439 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse2 (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse0) .cse1)) .cse2 (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse3))) [2019-09-20 13:07:04,816 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-20 13:07:04,816 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 .cse1)))) [2019-09-20 13:07:04,816 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2019-09-20 13:07:04,816 INFO L443 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2019-09-20 13:07:04,816 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2019-09-20 13:07:04,817 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2019-09-20 13:07:04,817 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2019-09-20 13:07:04,817 INFO L446 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2019-09-20 13:07:04,817 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-09-20 13:07:04,817 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-09-20 13:07:04,817 INFO L446 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2019-09-20 13:07:04,817 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-09-20 13:07:04,818 INFO L446 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2019-09-20 13:07:04,818 INFO L446 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2019-09-20 13:07:04,818 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-09-20 13:07:04,818 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2019-09-20 13:07:04,818 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:07:04,818 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2019-09-20 13:07:04,818 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2019-09-20 13:07:04,819 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:04,819 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2019-09-20 13:07:04,819 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2019-09-20 13:07:04,819 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2019-09-20 13:07:04,819 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,819 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-20 13:07:04,819 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:04,819 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:04,820 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2019-09-20 13:07:04,820 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1) (or .cse0 (or (not (<= 2 ~waterLevel~0)) .cse1)))) [2019-09-20 13:07:04,820 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2019-09-20 13:07:04,820 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,820 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2019-09-20 13:07:04,820 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:04,821 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2019-09-20 13:07:04,821 INFO L439 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,821 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:04,821 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2019-09-20 13:07:04,821 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:07:04,821 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-09-20 13:07:04,821 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-09-20 13:07:04,821 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2019-09-20 13:07:04,822 INFO L443 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2019-09-20 13:07:04,822 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:07:04,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:07:04,822 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-20 13:07:04,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-20 13:07:04,822 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:07:04,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:04 BoogieIcfgContainer [2019-09-20 13:07:04,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:04,839 INFO L168 Benchmark]: Toolchain (without parser) took 23175.46 ms. Allocated memory was 132.1 MB in the beginning and 644.3 MB in the end (delta: 512.2 MB). Free memory was 86.7 MB in the beginning and 97.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 501.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,840 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.37 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 86.5 MB in the beginning and 158.9 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,842 INFO L168 Benchmark]: Boogie Preprocessor took 110.42 ms. Allocated memory is still 197.7 MB. Free memory was 158.9 MB in the beginning and 154.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,843 INFO L168 Benchmark]: RCFGBuilder took 1425.88 ms. Allocated memory was 197.7 MB in the beginning and 220.2 MB in the end (delta: 22.5 MB). Free memory was 154.4 MB in the beginning and 182.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,844 INFO L168 Benchmark]: TraceAbstraction took 20888.70 ms. Allocated memory was 220.2 MB in the beginning and 644.3 MB in the end (delta: 424.1 MB). Free memory was 182.5 MB in the beginning and 97.8 MB in the end (delta: 84.7 MB). Peak memory consumption was 508.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:04,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.37 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 86.5 MB in the beginning and 158.9 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.42 ms. Allocated memory is still 197.7 MB. Free memory was 158.9 MB in the beginning and 154.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1425.88 ms. Allocated memory was 197.7 MB in the beginning and 220.2 MB in the end (delta: 22.5 MB). Free memory was 154.4 MB in the beginning and 182.5 MB in the end (delta: -28.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20888.70 ms. Allocated memory was 220.2 MB in the beginning and 644.3 MB in the end (delta: 424.1 MB). Free memory was 182.5 MB in the beginning and 97.8 MB in the end (delta: 84.7 MB). Peak memory consumption was 508.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2450 SDtfs, 3300 SDslu, 7108 SDs, 0 SdLazy, 8628 SolverSat, 2053 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1498 GetRequests, 1329 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1192occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 522 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2464 PreInvPairs, 2519 NumberOfFragments, 1244 HoareAnnotationTreeSize, 2464 FomulaSimplifications, 12683 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 71 FomulaSimplificationsInter, 7805 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2823 NumberOfCodeBlocks, 2823 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2804 ConstructedInterpolants, 0 QuantifiedInterpolants, 732777 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6729 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 927/1008 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...