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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:16:21,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:16:21,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:16:21,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:16:21,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:16:21,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:16:21,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:16:21,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:16:21,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:16:21,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:16:21,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:16:21,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:16:21,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:16:21,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:16:21,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:16:21,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:16:21,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:16:21,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:16:21,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:16:21,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:16:21,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:16:21,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:16:21,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:16:21,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:16:21,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:16:21,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:16:21,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:16:21,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:16:21,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:16:21,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:16:21,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:16:21,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:16:21,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:16:21,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:16:21,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:16:21,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:16:21,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:16:21,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:16:21,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:16:21,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:16:21,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:16:21,620 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 23:16:21,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:16:21,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:16:21,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:16:21,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:16:21,646 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:16:21,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:16:21,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:16:21,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:16:21,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:16:21,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:16:21,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:16:21,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:16:21,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:16:21,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:16:21,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:16:21,650 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:16:21,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:16:21,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:16:21,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:16:21,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:16:21,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:16:21,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:16:21,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:16:21,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:16:21,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:16:21,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:16:21,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:16:21,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:16:21,653 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 23:16:21,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:16:21,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:16:21,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:16:21,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:16:21,981 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:16:21,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-10-13 23:16:22,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6935efbd1/47df8c556dc14838a92444203c73c939/FLAGa7aa846d4 [2019-10-13 23:16:22,663 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:16:22,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-10-13 23:16:22,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6935efbd1/47df8c556dc14838a92444203c73c939/FLAGa7aa846d4 [2019-10-13 23:16:22,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6935efbd1/47df8c556dc14838a92444203c73c939 [2019-10-13 23:16:22,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:16:22,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:16:22,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:22,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:16:22,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:16:22,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:22" (1/1) ... [2019-10-13 23:16:22,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d289120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:22, skipping insertion in model container [2019-10-13 23:16:22,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:22" (1/1) ... [2019-10-13 23:16:22,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:16:23,032 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:16:23,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:23,484 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:16:23,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:16:23,625 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:16:23,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23 WrapperNode [2019-10-13 23:16:23,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:16:23,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:16:23,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:16:23,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:16:23,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (1/1) ... [2019-10-13 23:16:23,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:16:23,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:16:23,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:16:23,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:16:23,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (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 23:16:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:16:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:16:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:16:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:16:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:16:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:16:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:16:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:16:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:16:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:16:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:16:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:16:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:16:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:16:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:16:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:16:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:16:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:16:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:16:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:16:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:16:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:16:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:16:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:16:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:16:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:16:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:16:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:16:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:16:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:16:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:16:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:16:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:16:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:16:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:16:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:16:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:16:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:16:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:16:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:16:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:16:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:16:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 23:16:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:16:23,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:16:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:16:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:16:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:16:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:16:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:16:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:16:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:16:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:16:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:16:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:16:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:16:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:16:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:16:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:16:25,458 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:16:25,458 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:16:25,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:25 BoogieIcfgContainer [2019-10-13 23:16:25,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:16:25,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:16:25,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:16:25,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:16:25,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:22" (1/3) ... [2019-10-13 23:16:25,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebda01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:25, skipping insertion in model container [2019-10-13 23:16:25,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:23" (2/3) ... [2019-10-13 23:16:25,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebda01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:25, skipping insertion in model container [2019-10-13 23:16:25,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:25" (3/3) ... [2019-10-13 23:16:25,471 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2019-10-13 23:16:25,481 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:16:25,497 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:16:25,510 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:16:25,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:16:25,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:16:25,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:16:25,557 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:16:25,557 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:16:25,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:16:25,558 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:16:25,558 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:16:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-10-13 23:16:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:16:25,601 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:25,602 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 23:16:25,605 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:25,614 INFO L82 PathProgramCache]: Analyzing trace with hash 689344760, now seen corresponding path program 1 times [2019-10-13 23:16:25,625 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:25,625 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666510828] [2019-10-13 23:16:25,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:25,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:25,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:25,968 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 23:16:25,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666510828] [2019-10-13 23:16:25,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:25,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:16:25,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916009380] [2019-10-13 23:16:25,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:16:25,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:25,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:16:25,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:16:25,998 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2019-10-13 23:16:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:26,039 INFO L93 Difference]: Finished difference Result 139 states and 168 transitions. [2019-10-13 23:16:26,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:16:26,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:16:26,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:26,053 INFO L225 Difference]: With dead ends: 139 [2019-10-13 23:16:26,053 INFO L226 Difference]: Without dead ends: 70 [2019-10-13 23:16:26,058 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 23:16:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-13 23:16:26,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-13 23:16:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-13 23:16:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2019-10-13 23:16:26,123 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2019-10-13 23:16:26,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:26,126 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2019-10-13 23:16:26,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:16:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2019-10-13 23:16:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:16:26,141 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:26,142 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 23:16:26,142 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:26,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:26,143 INFO L82 PathProgramCache]: Analyzing trace with hash -646440680, now seen corresponding path program 1 times [2019-10-13 23:16:26,143 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:26,143 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230020512] [2019-10-13 23:16:26,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,143 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:26,338 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 23:16:26,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230020512] [2019-10-13 23:16:26,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:26,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:26,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067578215] [2019-10-13 23:16:26,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:26,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:26,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:26,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:26,342 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 3 states. [2019-10-13 23:16:26,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:26,358 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2019-10-13 23:16:26,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:26,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:16:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:26,361 INFO L225 Difference]: With dead ends: 97 [2019-10-13 23:16:26,361 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:16:26,363 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 23:16:26,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:16:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:16:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:16:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2019-10-13 23:16:26,373 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 43 [2019-10-13 23:16:26,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:26,374 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2019-10-13 23:16:26,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-10-13 23:16:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:16:26,376 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:26,376 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] [2019-10-13 23:16:26,377 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:26,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:26,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1167260590, now seen corresponding path program 1 times [2019-10-13 23:16:26,380 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:26,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041775961] [2019-10-13 23:16:26,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:26,580 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 23:16:26,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041775961] [2019-10-13 23:16:26,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:26,581 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:16:26,582 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612909723] [2019-10-13 23:16:26,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:16:26,586 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:26,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:16:26,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:16:26,588 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2019-10-13 23:16:26,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:26,864 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-10-13 23:16:26,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:26,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:16:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:26,871 INFO L225 Difference]: With dead ends: 102 [2019-10-13 23:16:26,871 INFO L226 Difference]: Without dead ends: 62 [2019-10-13 23:16:26,872 INFO L600 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 [2019-10-13 23:16:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-13 23:16:26,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-10-13 23:16:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-10-13 23:16:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-10-13 23:16:26,882 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 45 [2019-10-13 23:16:26,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:26,883 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-10-13 23:16:26,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:16:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-10-13 23:16:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 23:16:26,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:26,885 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] [2019-10-13 23:16:26,885 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:26,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1211596665, now seen corresponding path program 1 times [2019-10-13 23:16:26,886 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:26,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221814989] [2019-10-13 23:16:26,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,886 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:26,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:27,023 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 23:16:27,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221814989] [2019-10-13 23:16:27,024 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:27,024 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:16:27,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765027280] [2019-10-13 23:16:27,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:16:27,025 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:27,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:16:27,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:16:27,026 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 10 states. [2019-10-13 23:16:27,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:27,528 INFO L93 Difference]: Finished difference Result 165 states and 190 transitions. [2019-10-13 23:16:27,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:16:27,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2019-10-13 23:16:27,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:27,540 INFO L225 Difference]: With dead ends: 165 [2019-10-13 23:16:27,540 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 23:16:27,542 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 23:16:27,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 23:16:27,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2019-10-13 23:16:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-13 23:16:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2019-10-13 23:16:27,577 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 48 [2019-10-13 23:16:27,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:27,577 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2019-10-13 23:16:27,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:16:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2019-10-13 23:16:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:16:27,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:27,580 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] [2019-10-13 23:16:27,580 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:27,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:27,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1487871762, now seen corresponding path program 1 times [2019-10-13 23:16:27,581 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:27,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203633522] [2019-10-13 23:16:27,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:27,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:27,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:27,657 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 23:16:27,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203633522] [2019-10-13 23:16:27,658 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:27,658 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:16:27,658 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079686254] [2019-10-13 23:16:27,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:16:27,659 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:27,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:16:27,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:16:27,660 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 3 states. [2019-10-13 23:16:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:27,674 INFO L93 Difference]: Finished difference Result 154 states and 171 transitions. [2019-10-13 23:16:27,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:16:27,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-10-13 23:16:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:27,676 INFO L225 Difference]: With dead ends: 154 [2019-10-13 23:16:27,676 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 23:16:27,677 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 23:16:27,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 23:16:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 23:16:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 23:16:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2019-10-13 23:16:27,691 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 51 [2019-10-13 23:16:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:27,691 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2019-10-13 23:16:27,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:16:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2019-10-13 23:16:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 23:16:27,693 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:16:27,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:27,694 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:16:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:16:27,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2103266047, now seen corresponding path program 1 times [2019-10-13 23:16:27,694 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:16:27,695 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87019448] [2019-10-13 23:16:27,695 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:27,695 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:16:27,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:16:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:16:27,821 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:16:27,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87019448] [2019-10-13 23:16:27,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:16:27,822 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:16:27,822 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053999352] [2019-10-13 23:16:27,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:16:27,824 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:16:27,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:16:27,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:16:27,825 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 6 states. [2019-10-13 23:16:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:16:27,973 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2019-10-13 23:16:27,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:16:27,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-13 23:16:27,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:16:27,974 INFO L225 Difference]: With dead ends: 116 [2019-10-13 23:16:27,974 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:16:27,975 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:16:27,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:16:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:16:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:16:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:16:27,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2019-10-13 23:16:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:16:27,977 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:16:27,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:16:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:16:27,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:16:27,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:16:28,669 INFO L443 ceAbstractionStarter]: For program point L573(lines 550 574) no Hoare annotation was computed. [2019-10-13 23:16:28,670 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-13 23:16:28,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2019-10-13 23:16:28,670 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2019-10-13 23:16:28,670 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point L634(lines 607 635) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:16:28,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:16:28,672 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-13 23:16:28,672 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 23:16:28,672 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 23:16:28,672 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 23:16:28,672 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 23:16:28,673 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2019-10-13 23:16:28,673 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2019-10-13 23:16:28,673 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:28,673 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-10-13 23:16:28,674 INFO L439 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:16:28,674 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-13 23:16:28,674 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-10-13 23:16:28,674 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2019-10-13 23:16:28,675 INFO L446 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2019-10-13 23:16:28,675 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-13 23:16:28,675 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,675 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2019-10-13 23:16:28,677 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,677 INFO L439 ceAbstractionStarter]: At program point L176-1(line 176) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,677 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 181) no Hoare annotation was computed. [2019-10-13 23:16:28,677 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2019-10-13 23:16:28,678 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 23:16:28,678 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,678 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,679 INFO L439 ceAbstractionStarter]: At program point L170-1(line 170) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,679 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-13 23:16:28,679 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 23:16:28,681 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 23:16:28,682 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-13 23:16:28,683 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-13 23:16:28,685 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 23:16:28,685 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-13 23:16:28,685 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-13 23:16:28,685 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 23:16:28,686 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-13 23:16:28,686 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-10-13 23:16:28,686 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 23:16:28,686 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2019-10-13 23:16:28,686 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2019-10-13 23:16:28,686 INFO L443 ceAbstractionStarter]: For program point L295(line 295) no Hoare annotation was computed. [2019-10-13 23:16:28,688 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2019-10-13 23:16:28,688 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2019-10-13 23:16:28,689 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point L250-1(line 250) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2019-10-13 23:16:28,690 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2019-10-13 23:16:28,691 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2019-10-13 23:16:28,691 INFO L443 ceAbstractionStarter]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2019-10-13 23:16:28,691 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,691 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2019-10-13 23:16:28,691 INFO L439 ceAbstractionStarter]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,691 INFO L439 ceAbstractionStarter]: At program point L348-2(lines 342 353) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:16:28,691 INFO L443 ceAbstractionStarter]: For program point L313(lines 312 357) no Hoare annotation was computed. [2019-10-13 23:16:28,692 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:16:28,692 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-13 23:16:28,692 INFO L443 ceAbstractionStarter]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2019-10-13 23:16:28,692 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:16:28,692 INFO L439 ceAbstractionStarter]: At program point L355(lines 312 357) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (= 0 test_~splverifierCounter~0)) [2019-10-13 23:16:28,692 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2019-10-13 23:16:28,692 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-13 23:16:28,692 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2019-10-13 23:16:28,693 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 689) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point L694(lines 693 713) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 731) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:16:28,694 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point L709-1(line 709) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point L714(lines 692 715) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:28,695 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2019-10-13 23:16:28,696 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2019-10-13 23:16:28,696 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: true [2019-10-13 23:16:28,696 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2019-10-13 23:16:28,696 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2019-10-13 23:16:28,696 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2019-10-13 23:16:28,696 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:28,696 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:16:28,697 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:28,697 INFO L439 ceAbstractionStarter]: At program point L209(lines 209 215) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:28,697 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1))) [2019-10-13 23:16:28,697 INFO L439 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:16:28,697 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2019-10-13 23:16:28,697 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 220) no Hoare annotation was computed. [2019-10-13 23:16:28,697 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2019-10-13 23:16:28,698 INFO L446 ceAbstractionStarter]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2019-10-13 23:16:28,698 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2019-10-13 23:16:28,698 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-13 23:16:28,698 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-13 23:16:28,698 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2019-10-13 23:16:28,698 INFO L446 ceAbstractionStarter]: At program point L114(lines 89 118) the Hoare annotation is: true [2019-10-13 23:16:28,698 INFO L443 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L446 ceAbstractionStarter]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2019-10-13 23:16:28,699 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2019-10-13 23:16:28,699 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:16:28,700 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 23:16:28,700 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:16:28,700 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:16:28,700 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2019-10-13 23:16:28,700 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 23:16:28,700 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:16:28,701 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:16:28,701 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:16:28,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:16:28 BoogieIcfgContainer [2019-10-13 23:16:28,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:16:28,734 INFO L168 Benchmark]: Toolchain (without parser) took 5773.09 ms. Allocated memory was 143.7 MB in the beginning and 276.8 MB in the end (delta: 133.2 MB). Free memory was 104.3 MB in the beginning and 236.3 MB in the end (delta: -132.0 MB). Peak memory consumption was 108.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,736 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.46 ms. Allocated memory was 143.7 MB in the beginning and 203.9 MB in the end (delta: 60.3 MB). Free memory was 104.1 MB in the beginning and 172.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,743 INFO L168 Benchmark]: Boogie Preprocessor took 137.02 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,745 INFO L168 Benchmark]: RCFGBuilder took 1696.52 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.8 MB in the beginning and 152.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,746 INFO L168 Benchmark]: TraceAbstraction took 3268.65 ms. Allocated memory was 233.8 MB in the beginning and 276.8 MB in the end (delta: 43.0 MB). Free memory was 151.2 MB in the beginning and 236.3 MB in the end (delta: -85.1 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:16:28,759 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.46 ms. Allocated memory was 143.7 MB in the beginning and 203.9 MB in the end (delta: 60.3 MB). Free memory was 104.1 MB in the beginning and 172.6 MB in the end (delta: -68.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.02 ms. Allocated memory is still 203.9 MB. Free memory was 172.6 MB in the beginning and 168.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1696.52 ms. Allocated memory was 203.9 MB in the beginning and 233.8 MB in the end (delta: 29.9 MB). Free memory was 168.8 MB in the beginning and 152.5 MB in the end (delta: 16.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3268.65 ms. Allocated memory was 233.8 MB in the beginning and 276.8 MB in the end (delta: 43.0 MB). Free memory was 151.2 MB in the beginning and 236.3 MB in the end (delta: -85.1 MB). Peak memory consumption was 64.9 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 150 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 406 SDtfs, 220 SDslu, 738 SDs, 0 SdLazy, 286 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 152 PreInvPairs, 170 NumberOfFragments, 387 HoareAnnotationTreeSize, 152 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 30241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 22/22 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...