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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:10:45,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:10:45,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:10:45,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:10:45,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:10:45,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:10:45,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:10:45,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:10:45,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:10:45,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:10:45,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:10:45,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:10:45,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:10:45,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:10:45,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:10:45,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:10:45,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:10:45,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:10:45,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:10:45,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:10:45,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:10:45,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:10:45,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:10:45,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:10:45,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:10:45,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:10:45,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:10:45,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:10:45,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:10:45,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:10:45,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:10:45,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:10:45,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:10:45,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:10:45,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:10:45,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:10:45,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:10:45,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:10:45,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:10:45,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:10:45,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:10:45,720 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 [2019-09-08 06:10:45,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:10:45,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:10:45,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:10:45,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:10:45,743 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:10:45,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:10:45,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:10:45,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:10:45,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:10:45,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:10:45,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:10:45,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:10:45,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:10:45,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:10:45,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:10:45,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:10:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:45,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:10:45,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:10:45,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:10:45,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:10:45,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:10:45,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:10:45,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:10:45,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:10:45,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:10:45,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:10:45,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:10:45,796 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:10:45,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-09-08 06:10:45,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8612c77d/60d086da0f7245d78b8352a131ffd949/FLAG26c172e68 [2019-09-08 06:10:46,392 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:10:46,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product54.cil.c [2019-09-08 06:10:46,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8612c77d/60d086da0f7245d78b8352a131ffd949/FLAG26c172e68 [2019-09-08 06:10:46,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8612c77d/60d086da0f7245d78b8352a131ffd949 [2019-09-08 06:10:46,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:10:46,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:10:46,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:46,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:10:46,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:10:46,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:46" (1/1) ... [2019-09-08 06:10:46,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291c0385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:46, skipping insertion in model container [2019-09-08 06:10:46,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:46" (1/1) ... [2019-09-08 06:10:46,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:10:46,835 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:10:47,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:47,288 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:10:47,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:47,409 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:10:47,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47 WrapperNode [2019-09-08 06:10:47,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:47,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:10:47,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:10:47,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:10:47,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (1/1) ... [2019-09-08 06:10:47,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:10:47,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:10:47,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:10:47,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:10:47,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (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 [2019-09-08 06:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:10:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:10:47,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:10:47,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:10:47,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:10:47,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:10:47,579 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:10:47,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:10:47,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:10:47,582 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:10:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:10:47,583 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:10:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:10:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:10:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:10:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:10:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:10:47,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:10:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:10:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:10:48,740 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:10:48,740 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:10:48,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:48 BoogieIcfgContainer [2019-09-08 06:10:48,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:10:48,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:10:48,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:10:48,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:10:48,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:10:46" (1/3) ... [2019-09-08 06:10:48,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e74b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:48, skipping insertion in model container [2019-09-08 06:10:48,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:47" (2/3) ... [2019-09-08 06:10:48,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e74b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:48, skipping insertion in model container [2019-09-08 06:10:48,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:48" (3/3) ... [2019-09-08 06:10:48,750 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-09-08 06:10:48,760 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:10:48,768 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:10:48,785 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:10:48,818 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:10:48,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:10:48,819 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:10:48,819 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:10:48,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:10:48,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:10:48,819 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:10:48,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:10:48,820 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:10:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-09-08 06:10:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:10:48,853 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:48,854 INFO L399 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] [2019-09-08 06:10:48,856 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:48,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:48,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1513268006, now seen corresponding path program 1 times [2019-09-08 06:10:48,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:48,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:48,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:48,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:48,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:49,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:49,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:10:49,215 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:10:49,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:10:49,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:49,228 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-09-08 06:10:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:49,278 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2019-09-08 06:10:49,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:10:49,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:10:49,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:49,293 INFO L225 Difference]: With dead ends: 300 [2019-09-08 06:10:49,293 INFO L226 Difference]: Without dead ends: 150 [2019-09-08 06:10:49,298 INFO L628 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 [2019-09-08 06:10:49,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-09-08 06:10:49,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-09-08 06:10:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-09-08 06:10:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-09-08 06:10:49,356 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2019-09-08 06:10:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,356 INFO L475 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-09-08 06:10:49,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:10:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-09-08 06:10:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:10:49,360 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,361 INFO L399 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] [2019-09-08 06:10:49,361 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1135126254, now seen corresponding path program 1 times [2019-09-08 06:10:49,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:49,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:49,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:10:49,534 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:10:49,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:10:49,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:49,535 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2019-09-08 06:10:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:49,587 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2019-09-08 06:10:49,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:10:49,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:10:49,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:49,596 INFO L225 Difference]: With dead ends: 245 [2019-09-08 06:10:49,596 INFO L226 Difference]: Without dead ends: 141 [2019-09-08 06:10:49,598 INFO L628 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 [2019-09-08 06:10:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-09-08 06:10:49,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-09-08 06:10:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-08 06:10:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2019-09-08 06:10:49,628 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2019-09-08 06:10:49,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,629 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2019-09-08 06:10:49,629 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:10:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2019-09-08 06:10:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:10:49,633 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,633 INFO L399 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] [2019-09-08 06:10:49,633 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1031816634, now seen corresponding path program 1 times [2019-09-08 06:10:49,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:49,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:49,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:10:49,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:10:49,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:10:49,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:49,763 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2019-09-08 06:10:50,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:50,136 INFO L93 Difference]: Finished difference Result 258 states and 305 transitions. [2019-09-08 06:10:50,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:50,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-08 06:10:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:50,145 INFO L225 Difference]: With dead ends: 258 [2019-09-08 06:10:50,145 INFO L226 Difference]: Without dead ends: 141 [2019-09-08 06:10:50,148 INFO L628 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 [2019-09-08 06:10:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-09-08 06:10:50,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-09-08 06:10:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-09-08 06:10:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2019-09-08 06:10:50,173 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 52 [2019-09-08 06:10:50,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:50,173 INFO L475 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2019-09-08 06:10:50,173 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:10:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2019-09-08 06:10:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:10:50,178 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:50,178 INFO L399 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] [2019-09-08 06:10:50,178 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:50,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:50,179 INFO L82 PathProgramCache]: Analyzing trace with hash 276958236, now seen corresponding path program 1 times [2019-09-08 06:10:50,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:50,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:50,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:50,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:50,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:50,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:10:50,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:10:50,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:10:50,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:10:50,354 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 5 states. [2019-09-08 06:10:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:50,853 INFO L93 Difference]: Finished difference Result 365 states and 439 transitions. [2019-09-08 06:10:50,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:10:50,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-08 06:10:50,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:50,856 INFO L225 Difference]: With dead ends: 365 [2019-09-08 06:10:50,857 INFO L226 Difference]: Without dead ends: 248 [2019-09-08 06:10:50,858 INFO L628 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 [2019-09-08 06:10:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2019-09-08 06:10:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 229. [2019-09-08 06:10:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2019-09-08 06:10:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 258 transitions. [2019-09-08 06:10:50,894 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 258 transitions. Word has length 70 [2019-09-08 06:10:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:50,895 INFO L475 AbstractCegarLoop]: Abstraction has 229 states and 258 transitions. [2019-09-08 06:10:50,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:10:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 258 transitions. [2019-09-08 06:10:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 06:10:50,896 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:50,897 INFO L399 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] [2019-09-08 06:10:50,897 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:50,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1283615481, now seen corresponding path program 1 times [2019-09-08 06:10:50,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:50,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:50,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:50,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:51,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:51,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 06:10:51,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 06:10:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 06:10:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:51,049 INFO L87 Difference]: Start difference. First operand 229 states and 258 transitions. Second operand 10 states. [2019-09-08 06:10:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:51,607 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2019-09-08 06:10:51,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:10:51,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-09-08 06:10:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:51,618 INFO L225 Difference]: With dead ends: 735 [2019-09-08 06:10:51,618 INFO L226 Difference]: Without dead ends: 530 [2019-09-08 06:10:51,620 INFO L628 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 [2019-09-08 06:10:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-09-08 06:10:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 520. [2019-09-08 06:10:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-08 06:10:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 606 transitions. [2019-09-08 06:10:51,698 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 606 transitions. Word has length 84 [2019-09-08 06:10:51,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:51,699 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 606 transitions. [2019-09-08 06:10:51,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 06:10:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 606 transitions. [2019-09-08 06:10:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-08 06:10:51,706 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:51,707 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:51,707 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:51,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:51,708 INFO L82 PathProgramCache]: Analyzing trace with hash -836442027, now seen corresponding path program 1 times [2019-09-08 06:10:51,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:51,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:51,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:51,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 06:10:51,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:51,865 INFO L223 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 [2019-09-08 06:10:51,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:52,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 06:10:52,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:52,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:52,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-08 06:10:52,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 06:10:52,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 06:10:52,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 06:10:52,278 INFO L87 Difference]: Start difference. First operand 520 states and 606 transitions. Second operand 12 states. [2019-09-08 06:10:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:54,468 INFO L93 Difference]: Finished difference Result 1492 states and 1948 transitions. [2019-09-08 06:10:54,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-08 06:10:54,469 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2019-09-08 06:10:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:54,476 INFO L225 Difference]: With dead ends: 1492 [2019-09-08 06:10:54,477 INFO L226 Difference]: Without dead ends: 996 [2019-09-08 06:10:54,479 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-08 06:10:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2019-09-08 06:10:54,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 912. [2019-09-08 06:10:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2019-09-08 06:10:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1107 transitions. [2019-09-08 06:10:54,548 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1107 transitions. Word has length 141 [2019-09-08 06:10:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:54,549 INFO L475 AbstractCegarLoop]: Abstraction has 912 states and 1107 transitions. [2019-09-08 06:10:54,549 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 06:10:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1107 transitions. [2019-09-08 06:10:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-08 06:10:54,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:54,553 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:54,553 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:54,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:54,553 INFO L82 PathProgramCache]: Analyzing trace with hash -168293549, now seen corresponding path program 1 times [2019-09-08 06:10:54,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:54,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:54,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:54,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:54,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 06:10:54,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:54,652 INFO L223 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 [2019-09-08 06:10:54,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:54,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 06:10:54,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 06:10:54,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:54,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-08 06:10:54,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:10:54,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:10:54,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:54,868 INFO L87 Difference]: Start difference. First operand 912 states and 1107 transitions. Second operand 11 states. [2019-09-08 06:10:54,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:54,950 INFO L93 Difference]: Finished difference Result 1661 states and 2060 transitions. [2019-09-08 06:10:54,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:54,950 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2019-09-08 06:10:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:54,957 INFO L225 Difference]: With dead ends: 1661 [2019-09-08 06:10:54,958 INFO L226 Difference]: Without dead ends: 773 [2019-09-08 06:10:54,962 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:54,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-09-08 06:10:55,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2019-09-08 06:10:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-09-08 06:10:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 923 transitions. [2019-09-08 06:10:55,022 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 923 transitions. Word has length 133 [2019-09-08 06:10:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:55,022 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 923 transitions. [2019-09-08 06:10:55,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:10:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 923 transitions. [2019-09-08 06:10:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-09-08 06:10:55,032 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:55,032 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 06:10:55,033 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:55,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:55,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1514396760, now seen corresponding path program 1 times [2019-09-08 06:10:55,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:55,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:55,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:55,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:55,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-08 06:10:55,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:55,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 06:10:55,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 06:10:55,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 06:10:55,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:10:55,232 INFO L87 Difference]: Start difference. First operand 773 states and 923 transitions. Second operand 9 states. [2019-09-08 06:10:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:56,166 INFO L93 Difference]: Finished difference Result 2078 states and 2539 transitions. [2019-09-08 06:10:56,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 06:10:56,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2019-09-08 06:10:56,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:56,176 INFO L225 Difference]: With dead ends: 2078 [2019-09-08 06:10:56,177 INFO L226 Difference]: Without dead ends: 1329 [2019-09-08 06:10:56,180 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:10:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2019-09-08 06:10:56,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1326. [2019-09-08 06:10:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-09-08 06:10:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1568 transitions. [2019-09-08 06:10:56,267 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1568 transitions. Word has length 137 [2019-09-08 06:10:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:56,268 INFO L475 AbstractCegarLoop]: Abstraction has 1326 states and 1568 transitions. [2019-09-08 06:10:56,268 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 06:10:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1568 transitions. [2019-09-08 06:10:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-08 06:10:56,271 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:56,271 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 06:10:56,271 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:56,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:56,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1798563396, now seen corresponding path program 1 times [2019-09-08 06:10:56,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:56,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:56,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:56,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-08 06:10:56,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:56,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:10:56,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:56,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:56,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:56,389 INFO L87 Difference]: Start difference. First operand 1326 states and 1568 transitions. Second operand 6 states. [2019-09-08 06:10:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:56,603 INFO L93 Difference]: Finished difference Result 1351 states and 1597 transitions. [2019-09-08 06:10:56,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:56,604 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2019-09-08 06:10:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:56,612 INFO L225 Difference]: With dead ends: 1351 [2019-09-08 06:10:56,612 INFO L226 Difference]: Without dead ends: 1348 [2019-09-08 06:10:56,613 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:10:56,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2019-09-08 06:10:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 1326. [2019-09-08 06:10:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-09-08 06:10:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1560 transitions. [2019-09-08 06:10:56,688 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1560 transitions. Word has length 141 [2019-09-08 06:10:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:56,689 INFO L475 AbstractCegarLoop]: Abstraction has 1326 states and 1560 transitions. [2019-09-08 06:10:56,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1560 transitions. [2019-09-08 06:10:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-08 06:10:56,692 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:56,692 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:56,693 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:56,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:56,693 INFO L82 PathProgramCache]: Analyzing trace with hash -845692026, now seen corresponding path program 1 times [2019-09-08 06:10:56,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:56,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:56,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:56,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-08 06:10:56,841 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:56,841 INFO L223 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 [2019-09-08 06:10:56,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:57,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:57,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 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): Broken pipe [2019-09-08 06:10:57,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:10:57,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-08 06:10:57,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:10:57,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:10:57,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:57,115 INFO L87 Difference]: Start difference. First operand 1326 states and 1560 transitions. Second operand 11 states. [2019-09-08 06:10:58,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:58,859 INFO L93 Difference]: Finished difference Result 2636 states and 3257 transitions. [2019-09-08 06:10:58,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 06:10:58,860 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2019-09-08 06:10:58,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:58,870 INFO L225 Difference]: With dead ends: 2636 [2019-09-08 06:10:58,870 INFO L226 Difference]: Without dead ends: 1470 [2019-09-08 06:10:58,874 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-08 06:10:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2019-09-08 06:10:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1296. [2019-09-08 06:10:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2019-09-08 06:10:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1524 transitions. [2019-09-08 06:10:58,959 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1524 transitions. Word has length 159 [2019-09-08 06:10:58,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:58,960 INFO L475 AbstractCegarLoop]: Abstraction has 1296 states and 1524 transitions. [2019-09-08 06:10:58,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:10:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1524 transitions. [2019-09-08 06:10:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-08 06:10:58,966 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:58,966 INFO L399 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 06:10:58,967 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:58,967 INFO L82 PathProgramCache]: Analyzing trace with hash 2126166642, now seen corresponding path program 2 times [2019-09-08 06:10:58,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:58,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:58,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:58,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:58,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-08 06:10:59,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:59,225 INFO L223 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 [2019-09-08 06:10:59,253 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 06:10:59,445 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 06:10:59,446 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 06:10:59,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-08 06:10:59,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:59,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 06:10:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 06:10:59,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:59,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-08 06:10:59,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 06:10:59,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 06:10:59,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-08 06:10:59,660 INFO L87 Difference]: Start difference. First operand 1296 states and 1524 transitions. Second operand 16 states. [2019-09-08 06:11:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:03,192 INFO L93 Difference]: Finished difference Result 3447 states and 4236 transitions. [2019-09-08 06:11:03,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 06:11:03,193 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 229 [2019-09-08 06:11:03,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:03,213 INFO L225 Difference]: With dead ends: 3447 [2019-09-08 06:11:03,213 INFO L226 Difference]: Without dead ends: 2307 [2019-09-08 06:11:03,220 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-08 06:11:03,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2019-09-08 06:11:03,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 1945. [2019-09-08 06:11:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2019-09-08 06:11:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2233 transitions. [2019-09-08 06:11:03,359 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2233 transitions. Word has length 229 [2019-09-08 06:11:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:03,359 INFO L475 AbstractCegarLoop]: Abstraction has 1945 states and 2233 transitions. [2019-09-08 06:11:03,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 06:11:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2233 transitions. [2019-09-08 06:11:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-08 06:11:03,365 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:03,366 INFO L399 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 06:11:03,366 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:03,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:03,366 INFO L82 PathProgramCache]: Analyzing trace with hash -779506640, now seen corresponding path program 1 times [2019-09-08 06:11:03,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:03,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:03,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 06:11:03,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-09-08 06:11:03,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:03,505 INFO L223 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 [2019-09-08 06:11:03,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:03,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 06:11:03,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-08 06:11:03,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:11:03,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-08 06:11:03,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:11:03,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:11:03,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:11:03,776 INFO L87 Difference]: Start difference. First operand 1945 states and 2233 transitions. Second operand 13 states. [2019-09-08 06:11:03,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:03,860 INFO L93 Difference]: Finished difference Result 2530 states and 2906 transitions. [2019-09-08 06:11:03,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 06:11:03,861 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2019-09-08 06:11:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:03,864 INFO L225 Difference]: With dead ends: 2530 [2019-09-08 06:11:03,864 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 06:11:03,871 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-08 06:11:03,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 06:11:03,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 06:11:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 06:11:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 06:11:03,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2019-09-08 06:11:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:03,872 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 06:11:03,872 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:11:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 06:11:03,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 06:11:03,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 06:11:04,279 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-09-08 06:11:05,177 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 11 [2019-09-08 06:11:05,453 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2019-09-08 06:11:05,833 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-09-08 06:11:06,086 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 20 [2019-09-08 06:11:06,365 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2019-09-08 06:11:06,550 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2019-09-08 06:11:06,937 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2019-09-08 06:11:07,152 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 17 [2019-09-08 06:11:07,297 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-09-08 06:11:07,461 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2019-09-08 06:11:07,697 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2019-09-08 06:11:08,154 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 15 [2019-09-08 06:11:08,442 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2019-09-08 06:11:08,640 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2019-09-08 06:11:09,147 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2019-09-08 06:11:09,390 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2019-09-08 06:11:09,505 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 532 587) no Hoare annotation was computed. [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point L563-1(lines 563 567) no Hoare annotation was computed. [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point L557-2(lines 557 578) no Hoare annotation was computed. [2019-09-08 06:11:09,508 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 532 587) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point L579(lines 556 580) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 532 587) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point L640(lines 613 641) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 588 647) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 588 647) no Hoare annotation was computed. [2019-09-08 06:11:09,509 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 588 647) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 639) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 976 982) the Hoare annotation is: true [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 976 982) no Hoare annotation was computed. [2019-09-08 06:11:09,510 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 983 991) no Hoare annotation was computed. [2019-09-08 06:11:09,511 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 983 991) the Hoare annotation is: true [2019-09-08 06:11:09,511 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 983 991) no Hoare annotation was computed. [2019-09-08 06:11:09,511 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 355 379) the Hoare annotation is: true [2019-09-08 06:11:09,511 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 355 379) no Hoare annotation was computed. [2019-09-08 06:11:09,511 INFO L439 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-08 06:11:09,511 INFO L443 ceAbstractionStarter]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-09-08 06:11:09,511 INFO L439 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-08 06:11:09,512 INFO L443 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-09-08 06:11:09,512 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-09-08 06:11:09,512 INFO L443 ceAbstractionStarter]: For program point L363-1(lines 355 379) no Hoare annotation was computed. [2019-09-08 06:11:09,512 INFO L446 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: true [2019-09-08 06:11:09,512 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-09-08 06:11:09,512 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 456 478) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,512 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 456 478) no Hoare annotation was computed. [2019-09-08 06:11:09,513 INFO L439 ceAbstractionStarter]: At program point L468(line 468) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:11:09,513 INFO L439 ceAbstractionStarter]: At program point L468-1(line 468) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:11:09,513 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-09-08 06:11:09,513 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 473) no Hoare annotation was computed. [2019-09-08 06:11:09,513 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-08 06:11:09,513 INFO L439 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,513 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,514 INFO L439 ceAbstractionStarter]: At program point L462-1(line 462) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 456 478) no Hoare annotation was computed. [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point L417(line 417) no Hoare annotation was computed. [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 412 435) no Hoare annotation was computed. [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 412 435) no Hoare annotation was computed. [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 412 435) no Hoare annotation was computed. [2019-09-08 06:11:09,514 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-09-08 06:11:09,515 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point L420(line 420) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2019-09-08 06:11:09,516 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L446 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 297) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 297) no Hoare annotation was computed. [2019-09-08 06:11:09,517 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 270 305) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 270 305) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 969 975) no Hoare annotation was computed. [2019-09-08 06:11:09,518 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 969 975) the Hoare annotation is: true [2019-09-08 06:11:09,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 486 531) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 486 531) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 486 531) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 799 844) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 826) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 833) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point L813-1(lines 813 833) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 799 844) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 799 844) no Hoare annotation was computed. [2019-09-08 06:11:09,519 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 443 452) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,520 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 443 452) no Hoare annotation was computed. [2019-09-08 06:11:09,520 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 443 452) no Hoare annotation was computed. [2019-09-08 06:11:09,520 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2019-09-08 06:11:09,520 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-09-08 06:11:09,520 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-09-08 06:11:09,520 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2019-09-08 06:11:09,520 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2019-09-08 06:11:09,520 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-08 06:11:09,521 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2019-09-08 06:11:09,521 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2019-09-08 06:11:09,521 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-09-08 06:11:09,521 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 925 938) no Hoare annotation was computed. [2019-09-08 06:11:09,521 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 925 938) the Hoare annotation is: true [2019-09-08 06:11:09,521 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 925 938) no Hoare annotation was computed. [2019-09-08 06:11:09,521 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2019-09-08 06:11:09,522 INFO L439 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~3) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-08 06:11:09,522 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-09-08 06:11:09,522 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-08 06:11:09,522 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2019-09-08 06:11:09,522 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-09-08 06:11:09,522 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-09-08 06:11:09,522 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-08 06:11:09,522 INFO L439 ceAbstractionStarter]: At program point L228(line 228) 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))) [2019-09-08 06:11:09,523 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2019-09-08 06:11:09,523 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-09-08 06:11:09,523 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-09-08 06:11:09,523 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2019-09-08 06:11:09,523 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-09-08 06:11:09,523 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:11:09,523 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-09-08 06:11:09,524 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:11:09,524 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-09-08 06:11:09,524 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-09-08 06:11:09,524 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:11:09,524 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-09-08 06:11:09,524 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-09-08 06:11:09,524 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-08 06:11:09,525 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-09-08 06:11:09,525 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 787) no Hoare annotation was computed. [2019-09-08 06:11:09,525 INFO L443 ceAbstractionStarter]: For program point L767-1(lines 767 787) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 753 798) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 753 798) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 753 798) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 780) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 939 947) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 939 947) the Hoare annotation is: true [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 939 947) no Hoare annotation was computed. [2019-09-08 06:11:09,526 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 893 915) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 893 915) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L901(lines 901 909) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 893 915) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L901-2(lines 901 909) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 650 752) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L700(lines 699 719) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-09-08 06:11:09,527 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 737) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 650 752) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 678) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 749) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 719) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 650 752) no Hoare annotation was computed. [2019-09-08 06:11:09,528 INFO L443 ceAbstractionStarter]: For program point L720(lines 698 721) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 695) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 746) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 959 968) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 959 968) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 959 968) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,529 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)) [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,529 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-08 06:11:09,530 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-09-08 06:11:09,530 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-09-08 06:11:09,530 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2019-09-08 06:11:09,531 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2019-09-08 06:11:09,531 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 916 924) the Hoare annotation is: true [2019-09-08 06:11:09,531 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 916 924) no Hoare annotation was computed. [2019-09-08 06:11:09,531 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 916 924) no Hoare annotation was computed. [2019-09-08 06:11:09,531 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 872 883) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse6 (= 0 ~methaneLevelCritical~0))) (let ((.cse2 (not .cse6)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse7 (not .cse1)) (.cse5 (or (not (<= 2 ~waterLevel~0)) .cse4))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2) (or .cse0 .cse6 .cse3 .cse4 .cse7) (or .cse6 .cse7 .cse5)))) [2019-09-08 06:11:09,531 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 872 883) no Hoare annotation was computed. [2019-09-08 06:11:09,531 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 872 883) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (< |old(~waterLevel~0)| 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)))) [2019-09-08 06:11:09,532 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-09-08 06:11:09,532 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (and (= 1 ~systemActive~0) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse1))) (or .cse3 .cse4)) (or (not (< |old(~waterLevel~0)| 2)) .cse5 (and .cse6 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 (or .cse5 .cse4) .cse3)))) [2019-09-08 06:11:09,533 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (and .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse2) (or (let ((.cse3 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse3 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse3) .cse1)) (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2)))) [2019-09-08 06:11:09,533 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-09-08 06:11:09,533 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-09-08 06:11:09,533 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 382 411) no Hoare annotation was computed. [2019-09-08 06:11:09,533 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 382 411) the Hoare annotation is: true [2019-09-08 06:11:09,533 INFO L446 ceAbstractionStarter]: At program point L407(lines 382 411) the Hoare annotation is: true [2019-09-08 06:11:09,533 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-09-08 06:11:09,533 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-09-08 06:11:09,534 INFO L446 ceAbstractionStarter]: At program point L396-1(lines 396 400) the Hoare annotation is: true [2019-09-08 06:11:09,534 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-09-08 06:11:09,534 INFO L446 ceAbstractionStarter]: At program point L392-2(lines 392 406) the Hoare annotation is: true [2019-09-08 06:11:09,534 INFO L446 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: true [2019-09-08 06:11:09,534 INFO L443 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2019-09-08 06:11:09,534 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 884 892) the Hoare annotation is: true [2019-09-08 06:11:09,534 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 884 892) no Hoare annotation was computed. [2019-09-08 06:11:09,534 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 884 892) no Hoare annotation was computed. [2019-09-08 06:11:09,535 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 848 859) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|))) [2019-09-08 06:11:09,535 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 848 859) no Hoare annotation was computed. [2019-09-08 06:11:09,535 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 848 859) no Hoare annotation was computed. [2019-09-08 06:11:09,535 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 436 442) no Hoare annotation was computed. [2019-09-08 06:11:09,535 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 436 442) the Hoare annotation is: true [2019-09-08 06:11:09,535 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,535 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-08 06:11:09,535 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 06:11:09,536 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:09,536 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 344 351) no Hoare annotation was computed. [2019-09-08 06:11:09,536 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 344 351) 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)))) [2019-09-08 06:11:09,536 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 344 351) no Hoare annotation was computed. [2019-09-08 06:11:09,536 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-09-08 06:11:09,536 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-08 06:11:09,536 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-09-08 06:11:09,536 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))) [2019-09-08 06:11:09,537 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-09-08 06:11:09,537 INFO L439 ceAbstractionStarter]: At program point L171(line 171) 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))) [2019-09-08 06:11:09,537 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (or .cse0 .cse1) (not (<= 2 ~waterLevel~0))) (or (not (< ~waterLevel~0 2)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1))) [2019-09-08 06:11:09,537 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-09-08 06:11:09,537 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-08 06:11:09,537 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-09-08 06:11:09,537 INFO L443 ceAbstractionStarter]: For program point L864-1(lines 860 871) no Hoare annotation was computed. [2019-09-08 06:11:09,537 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 860 871) no Hoare annotation was computed. [2019-09-08 06:11:09,537 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 860 871) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (< |old(~waterLevel~0)| 2)) (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse0))))) [2019-09-08 06:11:09,538 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-09-08 06:11:09,538 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2019-09-08 06:11:09,538 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2019-09-08 06:11:09,538 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2019-09-08 06:11:09,538 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~2)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-08 06:11:09,538 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-09-08 06:11:09,538 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2019-09-08 06:11:09,538 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-08 06:11:09,539 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-09-08 06:11:09,539 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-09-08 06:11:09,539 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-08 06:11:09,539 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not .cse2) (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-08 06:11:09,539 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-09-08 06:11:09,539 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-08 06:11:09,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:11:09 BoogieIcfgContainer [2019-09-08 06:11:09,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:11:09,555 INFO L168 Benchmark]: Toolchain (without parser) took 22792.25 ms. Allocated memory was 138.4 MB in the beginning and 559.4 MB in the end (delta: 421.0 MB). Free memory was 93.5 MB in the beginning and 400.1 MB in the end (delta: -306.7 MB). Peak memory consumption was 426.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,556 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.51 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 166.7 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,558 INFO L168 Benchmark]: Boogie Preprocessor took 101.94 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 162.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,559 INFO L168 Benchmark]: RCFGBuilder took 1229.42 ms. Allocated memory was 202.4 MB in the beginning and 237.5 MB in the end (delta: 35.1 MB). Free memory was 162.7 MB in the beginning and 193.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,559 INFO L168 Benchmark]: TraceAbstraction took 20810.28 ms. Allocated memory was 237.5 MB in the beginning and 559.4 MB in the end (delta: 321.9 MB). Free memory was 193.2 MB in the beginning and 400.1 MB in the end (delta: -207.0 MB). Peak memory consumption was 426.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:09,563 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 112.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.51 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 93.3 MB in the beginning and 166.7 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.94 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 162.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1229.42 ms. Allocated memory was 202.4 MB in the beginning and 237.5 MB in the end (delta: 35.1 MB). Free memory was 162.7 MB in the beginning and 193.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20810.28 ms. Allocated memory was 237.5 MB in the beginning and 559.4 MB in the end (delta: 321.9 MB). Free memory was 193.2 MB in the beginning and 400.1 MB in the end (delta: -207.0 MB). Peak memory consumption was 426.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 1 error locations. SAFE Result, 20.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 10.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2370 SDtfs, 2935 SDslu, 7491 SDs, 0 SdLazy, 7942 SolverSat, 1588 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1087 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1945occurred 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: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 674 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 3404 PreInvPairs, 3507 NumberOfFragments, 1405 HoareAnnotationTreeSize, 3404 FomulaSimplifications, 12528 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 68 FomulaSimplificationsInter, 15347 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2359 NumberOfCodeBlocks, 2359 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2342 ConstructedInterpolants, 0 QuantifiedInterpolants, 577203 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4775 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 701/768 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...