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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:23,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:23,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:23,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:23,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:23,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:23,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:23,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:23,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:23,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:23,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:23,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:23,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:23,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:23,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:23,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:23,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:23,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:23,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:23,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:23,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:23,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:23,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:23,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:23,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:23,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:23,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:23,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:23,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:23,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:23,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:23,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:23,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:23,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:23,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:23,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:23,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:23,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:23,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:23,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:23,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:23,672 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 [2019-10-07 15:18:23,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:23,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:23,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:23,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:23,687 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:23,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:23,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:23,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:23,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:23,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:23,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:23,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:23,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:23,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:23,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:23,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:23,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:23,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:23,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:23,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:23,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:23,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:23,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:23,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:23,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:24,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:24,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:24,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:24,006 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:24,007 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-07 15:18:24,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1db4ee37/050461c25ec9454ca58876c94b4bcc8e/FLAGa858f4ca3 [2019-10-07 15:18:24,561 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:24,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-07 15:18:24,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1db4ee37/050461c25ec9454ca58876c94b4bcc8e/FLAGa858f4ca3 [2019-10-07 15:18:24,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1db4ee37/050461c25ec9454ca58876c94b4bcc8e [2019-10-07 15:18:24,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:24,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:24,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:24,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:24,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:24,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:24" (1/1) ... [2019-10-07 15:18:24,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1bb579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:24, skipping insertion in model container [2019-10-07 15:18:24,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:24" (1/1) ... [2019-10-07 15:18:24,912 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:24,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:25,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:25,425 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:25,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:25,572 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:25,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25 WrapperNode [2019-10-07 15:18:25,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:25,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:25,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:25,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:25,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (1/1) ... [2019-10-07 15:18:25,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:25,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:25,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:25,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:25,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (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 [2019-10-07 15:18:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:25,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:18:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-07 15:18:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:27,444 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:27,444 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:27,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:27 BoogieIcfgContainer [2019-10-07 15:18:27,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:27,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:27,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:27,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:27,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:24" (1/3) ... [2019-10-07 15:18:27,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b125ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:27, skipping insertion in model container [2019-10-07 15:18:27,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:25" (2/3) ... [2019-10-07 15:18:27,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b125ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:27, skipping insertion in model container [2019-10-07 15:18:27,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:27" (3/3) ... [2019-10-07 15:18:27,454 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2019-10-07 15:18:27,463 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:27,472 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:27,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:27,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:27,504 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:27,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:27,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:27,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:27,505 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:27,505 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:27,505 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-10-07 15:18:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:27,534 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:27,535 INFO L385 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] [2019-10-07 15:18:27,537 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:27,543 INFO L82 PathProgramCache]: Analyzing trace with hash 268822904, now seen corresponding path program 1 times [2019-10-07 15:18:27,552 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:27,552 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,553 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,553 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:27,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:27,863 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:27,864 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:27,864 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:27,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:27,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:27,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:27,886 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2019-10-07 15:18:27,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:27,940 INFO L93 Difference]: Finished difference Result 231 states and 280 transitions. [2019-10-07 15:18:27,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:27,943 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:27,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:27,960 INFO L225 Difference]: With dead ends: 231 [2019-10-07 15:18:27,960 INFO L226 Difference]: Without dead ends: 116 [2019-10-07 15:18:27,978 INFO L606 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 [2019-10-07 15:18:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-07 15:18:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-07 15:18:28,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-07 15:18:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-10-07 15:18:28,037 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 47 [2019-10-07 15:18:28,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:28,037 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-10-07 15:18:28,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-10-07 15:18:28,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:28,042 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:28,042 INFO L385 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] [2019-10-07 15:18:28,042 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:28,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:28,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1140312970, now seen corresponding path program 1 times [2019-10-07 15:18:28,043 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:28,043 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,044 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,044 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:28,204 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,204 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:28,204 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:28,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:28,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:28,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:28,207 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 3 states. [2019-10-07 15:18:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:28,229 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2019-10-07 15:18:28,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:28,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:28,232 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:18:28,233 INFO L226 Difference]: Without dead ends: 108 [2019-10-07 15:18:28,234 INFO L606 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 [2019-10-07 15:18:28,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-07 15:18:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-07 15:18:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-07 15:18:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2019-10-07 15:18:28,250 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 48 [2019-10-07 15:18:28,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:28,250 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2019-10-07 15:18:28,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2019-10-07 15:18:28,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:18:28,253 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:28,253 INFO L385 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] [2019-10-07 15:18:28,253 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:28,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:28,254 INFO L82 PathProgramCache]: Analyzing trace with hash -853673017, now seen corresponding path program 1 times [2019-10-07 15:18:28,254 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:28,254 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,255 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,255 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:28,465 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,465 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:28,465 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:28,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:28,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:28,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:28,467 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand 7 states. [2019-10-07 15:18:28,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:28,814 INFO L93 Difference]: Finished difference Result 194 states and 225 transitions. [2019-10-07 15:18:28,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:28,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:18:28,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:28,818 INFO L225 Difference]: With dead ends: 194 [2019-10-07 15:18:28,818 INFO L226 Difference]: Without dead ends: 108 [2019-10-07 15:18:28,820 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:28,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-07 15:18:28,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-07 15:18:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-07 15:18:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2019-10-07 15:18:28,842 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 50 [2019-10-07 15:18:28,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:28,842 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2019-10-07 15:18:28,842 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:28,842 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2019-10-07 15:18:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:18:28,851 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:28,851 INFO L385 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] [2019-10-07 15:18:28,851 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:28,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:28,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1855753583, now seen corresponding path program 1 times [2019-10-07 15:18:28,852 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:28,852 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,852 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:28,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:28,996 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:28,996 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:28,996 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:28,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:28,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:28,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:28,998 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand 5 states. [2019-10-07 15:18:29,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:29,452 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2019-10-07 15:18:29,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:29,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:18:29,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:29,459 INFO L225 Difference]: With dead ends: 292 [2019-10-07 15:18:29,459 INFO L226 Difference]: Without dead ends: 206 [2019-10-07 15:18:29,461 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-10-07 15:18:29,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 191. [2019-10-07 15:18:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-10-07 15:18:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2019-10-07 15:18:29,496 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 63 [2019-10-07 15:18:29,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:29,496 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2019-10-07 15:18:29,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2019-10-07 15:18:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 15:18:29,497 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:29,498 INFO L385 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] [2019-10-07 15:18:29,498 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:29,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:29,498 INFO L82 PathProgramCache]: Analyzing trace with hash 632214560, now seen corresponding path program 1 times [2019-10-07 15:18:29,499 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:29,499 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,499 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,499 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:29,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:29,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:29,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:29,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:29,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:29,586 INFO L87 Difference]: Start difference. First operand 191 states and 212 transitions. Second operand 6 states. [2019-10-07 15:18:29,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:29,774 INFO L93 Difference]: Finished difference Result 467 states and 534 transitions. [2019-10-07 15:18:29,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:29,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-07 15:18:29,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:29,779 INFO L225 Difference]: With dead ends: 467 [2019-10-07 15:18:29,779 INFO L226 Difference]: Without dead ends: 298 [2019-10-07 15:18:29,780 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:29,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-10-07 15:18:29,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 288. [2019-10-07 15:18:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2019-10-07 15:18:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 323 transitions. [2019-10-07 15:18:29,813 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 323 transitions. Word has length 72 [2019-10-07 15:18:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:29,813 INFO L462 AbstractCegarLoop]: Abstraction has 288 states and 323 transitions. [2019-10-07 15:18:29,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 323 transitions. [2019-10-07 15:18:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:18:29,815 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:29,815 INFO L385 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] [2019-10-07 15:18:29,815 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:29,815 INFO L82 PathProgramCache]: Analyzing trace with hash 226872434, now seen corresponding path program 1 times [2019-10-07 15:18:29,816 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:29,816 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:29,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,817 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:29,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:30,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:30,104 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,105 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:30,105 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:30,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:30,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:30,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:30,106 INFO L87 Difference]: Start difference. First operand 288 states and 323 transitions. Second operand 14 states. [2019-10-07 15:18:30,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:30,523 INFO L93 Difference]: Finished difference Result 571 states and 659 transitions. [2019-10-07 15:18:30,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:30,524 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 75 [2019-10-07 15:18:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:30,528 INFO L225 Difference]: With dead ends: 571 [2019-10-07 15:18:30,528 INFO L226 Difference]: Without dead ends: 402 [2019-10-07 15:18:30,530 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:18:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-07 15:18:30,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 382. [2019-10-07 15:18:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-10-07 15:18:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 435 transitions. [2019-10-07 15:18:30,564 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 435 transitions. Word has length 75 [2019-10-07 15:18:30,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:30,564 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 435 transitions. [2019-10-07 15:18:30,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 435 transitions. [2019-10-07 15:18:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-07 15:18:30,566 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:30,566 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:18:30,567 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:30,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash 603804743, now seen corresponding path program 1 times [2019-10-07 15:18:30,567 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:30,567 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,568 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,568 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:30,660 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:30,661 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:30,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:30,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-07 15:18:30,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:31,046 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:31,494 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:31,494 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-07 15:18:31,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 15:18:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 15:18:31,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:18:31,495 INFO L87 Difference]: Start difference. First operand 382 states and 435 transitions. Second operand 8 states. [2019-10-07 15:18:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:31,918 INFO L93 Difference]: Finished difference Result 1083 states and 1261 transitions. [2019-10-07 15:18:31,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:18:31,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-10-07 15:18:31,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:31,924 INFO L225 Difference]: With dead ends: 1083 [2019-10-07 15:18:31,924 INFO L226 Difference]: Without dead ends: 723 [2019-10-07 15:18:31,925 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:18:31,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-10-07 15:18:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 708. [2019-10-07 15:18:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-07 15:18:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 810 transitions. [2019-10-07 15:18:31,976 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 810 transitions. Word has length 85 [2019-10-07 15:18:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:31,976 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 810 transitions. [2019-10-07 15:18:31,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 15:18:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 810 transitions. [2019-10-07 15:18:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:18:31,979 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:31,979 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:18:32,193 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:32,193 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:32,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:32,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1427363981, now seen corresponding path program 1 times [2019-10-07 15:18:32,195 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:32,195 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:18:32,365 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,365 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:32,365 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:18:32,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:18:32,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:18:32,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:18:32,367 INFO L87 Difference]: Start difference. First operand 708 states and 810 transitions. Second operand 12 states. [2019-10-07 15:18:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:33,929 INFO L93 Difference]: Finished difference Result 1409 states and 1647 transitions. [2019-10-07 15:18:33,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:33,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-10-07 15:18:33,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:33,937 INFO L225 Difference]: With dead ends: 1409 [2019-10-07 15:18:33,937 INFO L226 Difference]: Without dead ends: 1049 [2019-10-07 15:18:33,940 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:18:33,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2019-10-07 15:18:33,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1015. [2019-10-07 15:18:33,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2019-10-07 15:18:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1158 transitions. [2019-10-07 15:18:34,005 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1158 transitions. Word has length 88 [2019-10-07 15:18:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:34,006 INFO L462 AbstractCegarLoop]: Abstraction has 1015 states and 1158 transitions. [2019-10-07 15:18:34,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:18:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1158 transitions. [2019-10-07 15:18:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-07 15:18:34,008 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:34,008 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:18:34,009 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:34,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:34,009 INFO L82 PathProgramCache]: Analyzing trace with hash 953400692, now seen corresponding path program 1 times [2019-10-07 15:18:34,010 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:34,010 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,010 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,010 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:18:34,111 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,111 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:34,111 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:34,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:34,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:34,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:34,112 INFO L87 Difference]: Start difference. First operand 1015 states and 1158 transitions. Second operand 10 states. [2019-10-07 15:18:34,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:34,429 INFO L93 Difference]: Finished difference Result 2020 states and 2307 transitions. [2019-10-07 15:18:34,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:34,430 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2019-10-07 15:18:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:34,436 INFO L225 Difference]: With dead ends: 2020 [2019-10-07 15:18:34,436 INFO L226 Difference]: Without dead ends: 1027 [2019-10-07 15:18:34,439 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:34,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-10-07 15:18:34,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 955. [2019-10-07 15:18:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2019-10-07 15:18:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1041 transitions. [2019-10-07 15:18:34,491 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1041 transitions. Word has length 88 [2019-10-07 15:18:34,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:34,491 INFO L462 AbstractCegarLoop]: Abstraction has 955 states and 1041 transitions. [2019-10-07 15:18:34,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1041 transitions. [2019-10-07 15:18:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:18:34,495 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:34,496 INFO L385 BasicCegarLoop]: trace histogram [4, 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] [2019-10-07 15:18:34,496 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:34,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:34,496 INFO L82 PathProgramCache]: Analyzing trace with hash -586669441, now seen corresponding path program 1 times [2019-10-07 15:18:34,497 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:34,497 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:18:34,598 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,598 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:34,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:34,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:35,043 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 15:18:35,043 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:35,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:35,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:35,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:35,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:35,392 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-07 15:18:35,463 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:35,463 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:35,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:35,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:35,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:35,465 INFO L87 Difference]: Start difference. First operand 955 states and 1041 transitions. Second operand 9 states. [2019-10-07 15:18:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:35,945 INFO L93 Difference]: Finished difference Result 2162 states and 2400 transitions. [2019-10-07 15:18:35,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:35,950 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2019-10-07 15:18:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:35,989 INFO L225 Difference]: With dead ends: 2162 [2019-10-07 15:18:35,990 INFO L226 Difference]: Without dead ends: 1472 [2019-10-07 15:18:35,993 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:35,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2019-10-07 15:18:36,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1396. [2019-10-07 15:18:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2019-10-07 15:18:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1520 transitions. [2019-10-07 15:18:36,142 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1520 transitions. Word has length 125 [2019-10-07 15:18:36,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:36,146 INFO L462 AbstractCegarLoop]: Abstraction has 1396 states and 1520 transitions. [2019-10-07 15:18:36,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1520 transitions. [2019-10-07 15:18:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:18:36,154 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:36,154 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:36,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:36,373 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1289354772, now seen corresponding path program 1 times [2019-10-07 15:18:36,373 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:36,374 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:18:36,553 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,553 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:18:36,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 15:18:36,816 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-07 15:18:37,348 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:37,348 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15, 11] total 24 [2019-10-07 15:18:37,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:18:37,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:18:37,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:18:37,350 INFO L87 Difference]: Start difference. First operand 1396 states and 1520 transitions. Second operand 11 states. [2019-10-07 15:18:37,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:37,936 INFO L93 Difference]: Finished difference Result 2837 states and 3212 transitions. [2019-10-07 15:18:37,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:37,936 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2019-10-07 15:18:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:37,938 INFO L225 Difference]: With dead ends: 2837 [2019-10-07 15:18:37,938 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:37,945 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:18:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:37,947 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2019-10-07 15:18:37,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:37,947 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:37,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:18:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:37,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:38,160 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:38,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:39,679 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-07 15:18:39,919 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2019-10-07 15:18:40,141 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2019-10-07 15:18:40,467 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-10-07 15:18:40,690 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 23 [2019-10-07 15:18:41,159 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2019-10-07 15:18:41,321 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-10-07 15:18:41,599 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2019-10-07 15:18:42,122 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-10-07 15:18:42,390 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2019-10-07 15:18:42,603 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2019-10-07 15:18:43,152 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point L662-2(lines 662 683) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point L684(lines 661 685) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 637 692) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 637 692) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 693 752) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-10-07 15:18:43,282 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 693 752) no Hoare annotation was computed. [2019-10-07 15:18:43,283 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 744) no Hoare annotation was computed. [2019-10-07 15:18:43,283 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 693 752) no Hoare annotation was computed. [2019-10-07 15:18:43,283 INFO L443 ceAbstractionStarter]: For program point L745(lines 718 746) no Hoare annotation was computed. [2019-10-07 15:18:43,283 INFO L443 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2019-10-07 15:18:43,283 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2019-10-07 15:18:43,283 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2019-10-07 15:18:43,284 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2019-10-07 15:18:43,284 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2019-10-07 15:18:43,284 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,284 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-10-07 15:18:43,284 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,285 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,285 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-10-07 15:18:43,285 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-10-07 15:18:43,285 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-07 15:18:43,285 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,285 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,285 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:18:43,286 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-07 15:18:43,287 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-07 15:18:43,288 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-07 15:18:43,288 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-10-07 15:18:43,288 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2019-10-07 15:18:43,288 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,288 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,288 INFO L443 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2019-10-07 15:18:43,288 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2019-10-07 15:18:43,289 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,289 INFO L439 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (or (not (= ~waterLevel~0 2)) (= processEnvironment__wrappee__methaneQuery_~tmp~2 1)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,289 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2019-10-07 15:18:43,289 INFO L439 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,289 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2019-10-07 15:18:43,289 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 420 455) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 420 455) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 591 636) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 591 636) no Hoare annotation was computed. [2019-10-07 15:18:43,290 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 904 949) no Hoare annotation was computed. [2019-10-07 15:18:43,291 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 904 949) no Hoare annotation was computed. [2019-10-07 15:18:43,291 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,291 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-10-07 15:18:43,291 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-10-07 15:18:43,291 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2019-10-07 15:18:43,291 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2019-10-07 15:18:43,291 INFO L446 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2019-10-07 15:18:43,291 INFO L443 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2019-10-07 15:18:43,292 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:43,292 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2019-10-07 15:18:43,292 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2019-10-07 15:18:43,292 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2019-10-07 15:18:43,292 INFO L439 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,292 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2019-10-07 15:18:43,292 INFO L439 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,292 INFO L443 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2019-10-07 15:18:43,293 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2019-10-07 15:18:43,293 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2019-10-07 15:18:43,293 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,293 INFO L439 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,293 INFO L443 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2019-10-07 15:18:43,293 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:43,293 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2019-10-07 15:18:43,293 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2019-10-07 15:18:43,293 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,294 INFO L439 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse0 (= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse4) (and (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 .cse4) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 (and (= 0 ~methaneLevelCritical~0) .cse1)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:43,294 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2019-10-07 15:18:43,294 INFO L443 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2019-10-07 15:18:43,294 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2019-10-07 15:18:43,294 INFO L439 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse4 (= 0 test_~splverifierCounter~0))) (let ((.cse0 (and (= 1 ~systemActive~0) .cse4 (= ~pumpRunning~0 0))) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2 .cse5) (and .cse1 .cse4 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-10-07 15:18:43,294 INFO L439 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) .cse4 .cse1 .cse2 .cse5) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:18:43,294 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-07 15:18:43,294 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-10-07 15:18:43,294 INFO L439 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:18:43,295 INFO L439 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (or .cse6 (= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) .cse6 (and .cse4 .cse1 .cse2 .cse3)))) [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 858 903) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 858 903) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 130 152) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 130 152) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 542 551) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 542 551) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 842) no Hoare annotation was computed. [2019-10-07 15:18:43,295 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 755 857) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 755 857) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L804-2(lines 804 824) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L825(lines 803 826) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 755 857) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 800) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L805(lines 804 824) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-10-07 15:18:43,296 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:43,296 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:18:43,297 INFO L439 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse0 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 .cse2))) [2019-10-07 15:18:43,297 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2019-10-07 15:18:43,297 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-07 15:18:43,297 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2019-10-07 15:18:43,298 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1) .cse2) (or .cse2 (or .cse0 (or .cse1 (not (= 1 ~pumpRunning~0))))))) [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2019-10-07 15:18:43,298 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 3))) (and (or (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (and .cse2 (= ~pumpRunning~0 1))) (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse1 (< ~waterLevel~0 2)) (or .cse3 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 0))))) [2019-10-07 15:18:43,298 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2019-10-07 15:18:43,299 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 1) .cse0) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2))) (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse2 .cse0) (or .cse3 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse1 .cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0))))) [2019-10-07 15:18:43,299 INFO L439 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse3 .cse6) (or .cse0 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))) (or (and .cse7 .cse6) (and .cse5 .cse6) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3))) (or .cse0 (and .cse4 .cse7) .cse2 .cse3 (not .cse1) (and (not (= ~waterLevel~0 2)) .cse4 .cse5)))) [2019-10-07 15:18:43,299 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2019-10-07 15:18:43,299 INFO L439 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) (or .cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))))) [2019-10-07 15:18:43,299 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-07 15:18:43,299 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-10-07 15:18:43,299 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-10-07 15:18:43,299 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-10-07 15:18:43,299 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-10-07 15:18:43,299 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-07 15:18:43,299 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (< ~waterLevel~0 2)) .cse4 .cse3) (or (= ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3))) [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2019-10-07 15:18:43,300 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2019-10-07 15:18:43,301 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2019-10-07 15:18:43,301 INFO L446 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2019-10-07 15:18:43,301 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (< ~waterLevel~0 2)) .cse0 .cse1) (or .cse2 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse1))) [2019-10-07 15:18:43,301 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (or (< ~waterLevel~0 3) (or (not (= ~systemActive~0 1)) (not (< |old(~waterLevel~0)| 3)) (not (= 1 ~pumpRunning~0)))) [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-10-07 15:18:43,301 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-10-07 15:18:43,301 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:43,302 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)) [2019-10-07 15:18:43,302 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:43,302 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:43,302 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2019-10-07 15:18:43,302 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 3))) (and (or (or .cse0 .cse1 (not (= 1 ~pumpRunning~0))) .cse2) (or (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) .cse2))) [2019-10-07 15:18:43,302 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2019-10-07 15:18:43,302 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-10-07 15:18:43,302 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2019-10-07 15:18:43,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:43 BoogieIcfgContainer [2019-10-07 15:18:43,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:43,319 INFO L168 Benchmark]: Toolchain (without parser) took 18421.85 ms. Allocated memory was 139.5 MB in the beginning and 494.4 MB in the end (delta: 354.9 MB). Free memory was 103.7 MB in the beginning and 275.2 MB in the end (delta: -171.5 MB). Peak memory consumption was 368.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,320 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.20 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 171.7 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,322 INFO L168 Benchmark]: Boogie Preprocessor took 84.75 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,323 INFO L168 Benchmark]: RCFGBuilder took 1787.27 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 147.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,324 INFO L168 Benchmark]: TraceAbstraction took 15870.38 ms. Allocated memory was 235.9 MB in the beginning and 494.4 MB in the end (delta: 258.5 MB). Free memory was 147.0 MB in the beginning and 275.2 MB in the end (delta: -128.2 MB). Peak memory consumption was 315.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:43,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.20 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 103.5 MB in the beginning and 171.7 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.75 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1787.27 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 147.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15870.38 ms. Allocated memory was 235.9 MB in the beginning and 494.4 MB in the end (delta: 258.5 MB). Free memory was 147.0 MB in the beginning and 275.2 MB in the end (delta: -128.2 MB). Peak memory consumption was 315.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 1) || (((1 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || ((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || (((1 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 186 locations, 1 error locations. Result: SAFE, OverallTime: 15.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 1576 SDtfs, 1333 SDslu, 5395 SDs, 0 SdLazy, 2685 SolverSat, 694 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 850 GetRequests, 707 SyntacticMatches, 2 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1396occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 242 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2950 PreInvPairs, 3078 NumberOfFragments, 1543 HoareAnnotationTreeSize, 2950 FomulaSimplifications, 6646 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 62 FomulaSimplificationsInter, 18827 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1217 NumberOfCodeBlocks, 1217 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 289742 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2445 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 222/241 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...