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_spec4_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:35,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:35,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:35,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:35,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:35,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:35,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:35,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:35,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:35,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:35,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:35,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:35,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:35,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:35,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:35,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:35,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:35,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:35,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:35,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:35,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:35,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:35,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:35,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:35,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:35,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:35,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:35,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:35,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:35,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:35,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:35,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:35,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:35,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:35,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:35,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:35,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:35,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:35,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:35,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:35,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:35,578 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 [2019-10-13 23:16:35,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:35,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:35,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:35,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:35,595 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:35,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:35,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:35,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:35,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:35,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:35,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:35,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:35,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:35,597 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:35,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:35,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:35,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:35,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:35,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:35,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:35,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:35,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:35,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:35,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:35,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:35,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:35,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:35,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:35,600 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 [2019-10-13 23:16:35,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:35,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:35,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:35,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:35,963 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:35,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2019-10-13 23:16:36,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70eef6985/e5e24a2073954d6ab03bc10b95d130a9/FLAG07ffb4648 [2019-10-13 23:16:36,540 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:36,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product11.cil.c [2019-10-13 23:16:36,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70eef6985/e5e24a2073954d6ab03bc10b95d130a9/FLAG07ffb4648 [2019-10-13 23:16:36,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70eef6985/e5e24a2073954d6ab03bc10b95d130a9 [2019-10-13 23:16:36,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:36,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:36,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:36,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:36,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:36,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:36" (1/1) ... [2019-10-13 23:16:36,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e60383f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:36, skipping insertion in model container [2019-10-13 23:16:36,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:36" (1/1) ... [2019-10-13 23:16:36,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:36,936 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:37,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:37,444 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:37,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:37,576 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:37,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37 WrapperNode [2019-10-13 23:16:37,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:37,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:37,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:37,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:37,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (1/1) ... [2019-10-13 23:16:37,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:37,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:37,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:37,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:37,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (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 [2019-10-13 23:16:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:16:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:16:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:16:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:39,484 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:39,484 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:39 BoogieIcfgContainer [2019-10-13 23:16:39,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:39,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:39,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:39,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:39,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:36" (1/3) ... [2019-10-13 23:16:39,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59059903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:39, skipping insertion in model container [2019-10-13 23:16:39,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:37" (2/3) ... [2019-10-13 23:16:39,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59059903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:39, skipping insertion in model container [2019-10-13 23:16:39,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:39" (3/3) ... [2019-10-13 23:16:39,497 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-10-13 23:16:39,507 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:39,516 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:39,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:39,551 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:39,551 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:39,551 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:39,551 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:39,551 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:39,552 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:39,552 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:39,552 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2019-10-13 23:16:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:39,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:39,584 INFO L380 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] [2019-10-13 23:16:39,586 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:39,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1324510716, now seen corresponding path program 1 times [2019-10-13 23:16:39,601 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:39,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845405595] [2019-10-13 23:16:39,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:39,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:39,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845405595] [2019-10-13 23:16:39,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:39,950 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:39,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793030428] [2019-10-13 23:16:39,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:39,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:39,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:39,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:39,974 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2019-10-13 23:16:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,022 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2019-10-13 23:16:40,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:40,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:40,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,034 INFO L225 Difference]: With dead ends: 157 [2019-10-13 23:16:40,034 INFO L226 Difference]: Without dead ends: 79 [2019-10-13 23:16:40,038 INFO L600 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 [2019-10-13 23:16:40,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-13 23:16:40,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-13 23:16:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-13 23:16:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2019-10-13 23:16:40,087 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 42 [2019-10-13 23:16:40,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,087 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2019-10-13 23:16:40,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2019-10-13 23:16:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:40,091 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,091 INFO L380 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] [2019-10-13 23:16:40,091 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,092 INFO L82 PathProgramCache]: Analyzing trace with hash 867440606, now seen corresponding path program 1 times [2019-10-13 23:16:40,092 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,092 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352925989] [2019-10-13 23:16:40,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,093 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:40,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352925989] [2019-10-13 23:16:40,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:40,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:40,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042305986] [2019-10-13 23:16:40,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:40,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:40,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:40,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:40,226 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 3 states. [2019-10-13 23:16:40,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,242 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-13 23:16:40,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:40,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:40,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,244 INFO L225 Difference]: With dead ends: 106 [2019-10-13 23:16:40,244 INFO L226 Difference]: Without dead ends: 71 [2019-10-13 23:16:40,246 INFO L600 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 [2019-10-13 23:16:40,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-10-13 23:16:40,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-10-13 23:16:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-10-13 23:16:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2019-10-13 23:16:40,257 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 43 [2019-10-13 23:16:40,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,258 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2019-10-13 23:16:40,258 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2019-10-13 23:16:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:16:40,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:40,260 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,260 INFO L82 PathProgramCache]: Analyzing trace with hash 2083217331, now seen corresponding path program 1 times [2019-10-13 23:16:40,261 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,261 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611920897] [2019-10-13 23:16:40,261 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,261 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:40,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611920897] [2019-10-13 23:16:40,515 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:40,515 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:40,516 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138989989] [2019-10-13 23:16:40,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:40,518 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:40,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:40,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:40,519 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand 7 states. [2019-10-13 23:16:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:40,842 INFO L93 Difference]: Finished difference Result 213 states and 250 transitions. [2019-10-13 23:16:40,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:16:40,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-13 23:16:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:40,848 INFO L225 Difference]: With dead ends: 213 [2019-10-13 23:16:40,848 INFO L226 Difference]: Without dead ends: 164 [2019-10-13 23:16:40,849 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:40,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-13 23:16:40,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2019-10-13 23:16:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 23:16:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 169 transitions. [2019-10-13 23:16:40,874 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 169 transitions. Word has length 46 [2019-10-13 23:16:40,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:40,875 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 169 transitions. [2019-10-13 23:16:40,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 169 transitions. [2019-10-13 23:16:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-13 23:16:40,877 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:40,877 INFO L380 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] [2019-10-13 23:16:40,877 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:40,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1726579428, now seen corresponding path program 1 times [2019-10-13 23:16:40,878 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:40,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003636148] [2019-10-13 23:16:40,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:40,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:41,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003636148] [2019-10-13 23:16:41,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:41,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:41,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55706499] [2019-10-13 23:16:41,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:41,007 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:41,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:41,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:41,008 INFO L87 Difference]: Start difference. First operand 146 states and 169 transitions. Second operand 10 states. [2019-10-13 23:16:41,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:41,484 INFO L93 Difference]: Finished difference Result 479 states and 598 transitions. [2019-10-13 23:16:41,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:41,485 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2019-10-13 23:16:41,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:41,497 INFO L225 Difference]: With dead ends: 479 [2019-10-13 23:16:41,497 INFO L226 Difference]: Without dead ends: 355 [2019-10-13 23:16:41,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 23:16:41,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-10-13 23:16:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 331. [2019-10-13 23:16:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-13 23:16:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 398 transitions. [2019-10-13 23:16:41,577 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 398 transitions. Word has length 49 [2019-10-13 23:16:41,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:41,577 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 398 transitions. [2019-10-13 23:16:41,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 398 transitions. [2019-10-13 23:16:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:16:41,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:41,584 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:41,585 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:41,585 INFO L82 PathProgramCache]: Analyzing trace with hash -889547459, now seen corresponding path program 1 times [2019-10-13 23:16:41,585 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:41,586 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965691071] [2019-10-13 23:16:41,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:41,586 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:41,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:16:41,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965691071] [2019-10-13 23:16:41,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:41,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:41,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35015019] [2019-10-13 23:16:41,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:41,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:41,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:41,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:41,655 INFO L87 Difference]: Start difference. First operand 331 states and 398 transitions. Second operand 3 states. [2019-10-13 23:16:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:41,676 INFO L93 Difference]: Finished difference Result 563 states and 692 transitions. [2019-10-13 23:16:41,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:41,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 23:16:41,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:41,679 INFO L225 Difference]: With dead ends: 563 [2019-10-13 23:16:41,680 INFO L226 Difference]: Without dead ends: 313 [2019-10-13 23:16:41,681 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:41,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-10-13 23:16:41,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-10-13 23:16:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-10-13 23:16:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 360 transitions. [2019-10-13 23:16:41,704 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 360 transitions. Word has length 52 [2019-10-13 23:16:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:41,704 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 360 transitions. [2019-10-13 23:16:41,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 360 transitions. [2019-10-13 23:16:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 23:16:41,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:41,709 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:16:41,709 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:41,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:41,709 INFO L82 PathProgramCache]: Analyzing trace with hash 140450658, now seen corresponding path program 1 times [2019-10-13 23:16:41,710 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:41,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193354420] [2019-10-13 23:16:41,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:41,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:41,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 23:16:41,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193354420] [2019-10-13 23:16:41,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:41,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:16:41,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415925611] [2019-10-13 23:16:41,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:16:41,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:41,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:16:41,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:16:41,845 INFO L87 Difference]: Start difference. First operand 313 states and 360 transitions. Second operand 6 states. [2019-10-13 23:16:41,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:41,983 INFO L93 Difference]: Finished difference Result 319 states and 366 transitions. [2019-10-13 23:16:41,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:41,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-13 23:16:41,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:41,984 INFO L225 Difference]: With dead ends: 319 [2019-10-13 23:16:41,984 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:41,985 INFO L600 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 [2019-10-13 23:16:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:41,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:41,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2019-10-13 23:16:41,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:41,987 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:41,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:16:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:41,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:41,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:42,899 INFO L443 ceAbstractionStarter]: For program point L574(lines 551 575) no Hoare annotation was computed. [2019-10-13 23:16:42,899 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 562) no Hoare annotation was computed. [2019-10-13 23:16:42,899 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point L635(lines 608 636) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:16:42,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2019-10-13 23:16:42,901 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 619) no Hoare annotation was computed. [2019-10-13 23:16:42,901 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 859 865) the Hoare annotation is: true [2019-10-13 23:16:42,901 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 859 865) no Hoare annotation was computed. [2019-10-13 23:16:42,901 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 866 874) no Hoare annotation was computed. [2019-10-13 23:16:42,901 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 866 874) the Hoare annotation is: true [2019-10-13 23:16:42,901 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 270 294) the Hoare annotation is: true [2019-10-13 23:16:42,901 INFO L439 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:16:42,902 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-10-13 23:16:42,902 INFO L439 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2019-10-13 23:16:42,902 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-10-13 23:16:42,902 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-10-13 23:16:42,902 INFO L443 ceAbstractionStarter]: For program point L278-1(lines 270 294) no Hoare annotation was computed. [2019-10-13 23:16:42,902 INFO L446 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: true [2019-10-13 23:16:42,903 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-10-13 23:16:42,903 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 270 294) no Hoare annotation was computed. [2019-10-13 23:16:42,903 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 451 473) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,903 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 451 473) no Hoare annotation was computed. [2019-10-13 23:16:42,903 INFO L439 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:42,903 INFO L439 ceAbstractionStarter]: At program point L463-1(line 463) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:16:42,904 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2019-10-13 23:16:42,904 INFO L443 ceAbstractionStarter]: For program point L461-1(lines 461 468) no Hoare annotation was computed. [2019-10-13 23:16:42,904 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 23:16:42,904 INFO L439 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,904 INFO L439 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,905 INFO L439 ceAbstractionStarter]: At program point L457-1(line 457) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point L417(line 417) no Hoare annotation was computed. [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 407 430) no Hoare annotation was computed. [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 23:16:42,905 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 407 430) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 407 430) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-13 23:16:42,906 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L443 ceAbstractionStarter]: For program point L420(line 420) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 183 197) no Hoare annotation was computed. [2019-10-13 23:16:42,907 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:16:42,908 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2019-10-13 23:16:42,908 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 183 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:16:42,908 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 93 100) no Hoare annotation was computed. [2019-10-13 23:16:42,908 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 93 100) no Hoare annotation was computed. [2019-10-13 23:16:42,908 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2019-10-13 23:16:42,908 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 147 182) no Hoare annotation was computed. [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 147 182) no Hoare annotation was computed. [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 852 858) no Hoare annotation was computed. [2019-10-13 23:16:42,909 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 852 858) the Hoare annotation is: true [2019-10-13 23:16:42,909 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2019-10-13 23:16:42,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2019-10-13 23:16:42,910 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2019-10-13 23:16:42,910 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2019-10-13 23:16:42,910 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 438 447) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,910 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 438 447) no Hoare annotation was computed. [2019-10-13 23:16:42,910 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 438 447) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 127 137) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 127 137) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 92) no Hoare annotation was computed. [2019-10-13 23:16:42,911 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 86 92) the Hoare annotation is: true [2019-10-13 23:16:42,912 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 202 267) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,912 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,912 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2019-10-13 23:16:42,912 INFO L439 ceAbstractionStarter]: At program point L248-1(lines 242 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,912 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 202 267) no Hoare annotation was computed. [2019-10-13 23:16:42,912 INFO L443 ceAbstractionStarter]: For program point L213(lines 212 259) no Hoare annotation was computed. [2019-10-13 23:16:42,913 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 255) no Hoare annotation was computed. [2019-10-13 23:16:42,913 INFO L439 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,913 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2019-10-13 23:16:42,913 INFO L443 ceAbstractionStarter]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2019-10-13 23:16:42,913 INFO L439 ceAbstractionStarter]: At program point L257(lines 212 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,913 INFO L439 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,914 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-13 23:16:42,914 INFO L443 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2019-10-13 23:16:42,914 INFO L439 ceAbstractionStarter]: At program point L260(lines 211 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,914 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 202 267) no Hoare annotation was computed. [2019-10-13 23:16:42,914 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2019-10-13 23:16:42,914 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 343 365) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 343 365) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point L715(lines 693 716) no Hoare annotation was computed. [2019-10-13 23:16:42,915 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 690) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L695(lines 694 714) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 732) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-10-13 23:16:42,916 INFO L443 ceAbstractionStarter]: For program point L710-1(line 710) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 842 851) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 842 851) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 102 118) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point L109(lines 109 115) no Hoare annotation was computed. [2019-10-13 23:16:42,917 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 102 118) no Hoare annotation was computed. [2019-10-13 23:16:42,918 INFO L443 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2019-10-13 23:16:42,918 INFO L443 ceAbstractionStarter]: For program point L107-1(line 107) no Hoare annotation was computed. [2019-10-13 23:16:42,918 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 102 118) no Hoare annotation was computed. [2019-10-13 23:16:42,918 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 366 374) the Hoare annotation is: true [2019-10-13 23:16:42,918 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 366 374) no Hoare annotation was computed. [2019-10-13 23:16:42,918 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2019-10-13 23:16:42,918 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2019-10-13 23:16:42,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:42,919 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:42,919 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 334 342) no Hoare annotation was computed. [2019-10-13 23:16:42,919 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2019-10-13 23:16:42,919 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 23:16:42,919 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0))) (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 23:16:42,919 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2019-10-13 23:16:42,920 INFO L439 ceAbstractionStarter]: At program point L73(lines 73 79) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0)))) [2019-10-13 23:16:42,920 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2019-10-13 23:16:42,920 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:16:42,920 INFO L443 ceAbstractionStarter]: For program point L66(lines 65 84) no Hoare annotation was computed. [2019-10-13 23:16:42,920 INFO L446 ceAbstractionStarter]: At program point L387-2(lines 387 401) the Hoare annotation is: true [2019-10-13 23:16:42,920 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 377 406) no Hoare annotation was computed. [2019-10-13 23:16:42,920 INFO L446 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2019-10-13 23:16:42,921 INFO L443 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2019-10-13 23:16:42,921 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 377 406) the Hoare annotation is: true [2019-10-13 23:16:42,921 INFO L446 ceAbstractionStarter]: At program point L402(lines 377 406) the Hoare annotation is: true [2019-10-13 23:16:42,921 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 23:16:42,921 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-10-13 23:16:42,921 INFO L446 ceAbstractionStarter]: At program point L391-1(lines 391 395) the Hoare annotation is: true [2019-10-13 23:16:42,921 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 298 309) the Hoare annotation is: true [2019-10-13 23:16:42,922 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 298 309) no Hoare annotation was computed. [2019-10-13 23:16:42,922 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 431 437) no Hoare annotation was computed. [2019-10-13 23:16:42,922 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 431 437) the Hoare annotation is: true [2019-10-13 23:16:42,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:42,922 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 23:16:42,922 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:42,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:42,923 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2019-10-13 23:16:42,923 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:42,923 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:16:42,923 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:16:42,923 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:16:42,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:42 BoogieIcfgContainer [2019-10-13 23:16:42,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:42,940 INFO L168 Benchmark]: Toolchain (without parser) took 6061.50 ms. Allocated memory was 142.1 MB in the beginning and 294.6 MB in the end (delta: 152.6 MB). Free memory was 100.9 MB in the beginning and 227.0 MB in the end (delta: -126.1 MB). Peak memory consumption was 124.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,941 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.37 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 100.7 MB in the beginning and 173.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,943 INFO L168 Benchmark]: Boogie Preprocessor took 127.35 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,944 INFO L168 Benchmark]: RCFGBuilder took 1780.57 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 169.1 MB in the beginning and 161.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,945 INFO L168 Benchmark]: TraceAbstraction took 3450.67 ms. Allocated memory was 232.8 MB in the beginning and 294.6 MB in the end (delta: 61.9 MB). Free memory was 159.7 MB in the beginning and 227.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:42,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 698.37 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 100.7 MB in the beginning and 173.4 MB in the end (delta: -72.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.35 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1780.57 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 169.1 MB in the beginning and 161.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3450.67 ms. Allocated memory was 232.8 MB in the beginning and 294.6 MB in the end (delta: 61.9 MB). Free memory was 159.7 MB in the beginning and 227.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 496 SDtfs, 317 SDslu, 1062 SDs, 0 SdLazy, 370 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 344 PreInvPairs, 402 NumberOfFragments, 457 HoareAnnotationTreeSize, 344 FomulaSimplifications, 515 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1761 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 31861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 23/23 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...