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_spec5_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:19,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:19,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:19,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:19,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:19,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:19,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:19,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:19,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:19,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:19,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:19,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:19,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:19,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:19,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:19,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:19,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:19,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:19,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:19,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:19,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:19,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:19,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:19,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:19,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:19,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:19,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:19,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:19,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:19,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:19,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:19,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:19,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:19,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:19,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:19,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:19,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:19,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:19,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:19,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:19,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:19,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:20:19,881 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:19,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:19,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:19,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:19,883 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:19,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:19,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:19,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:19,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:19,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:19,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:19,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:19,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:19,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:19,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:19,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:19,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:19,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:19,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:19,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:19,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:19,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:19,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:19,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:19,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:19,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:19,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:19,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:19,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:20,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:20,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:20,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:20,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:20,181 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:20,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-10-07 15:20:20,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ad511d4/10a6954857674f29a80d9a68b5d0afbc/FLAG0fba1ded6 [2019-10-07 15:20:20,801 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:20,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-10-07 15:20:20,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ad511d4/10a6954857674f29a80d9a68b5d0afbc/FLAG0fba1ded6 [2019-10-07 15:20:21,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ad511d4/10a6954857674f29a80d9a68b5d0afbc [2019-10-07 15:20:21,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:21,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:21,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:21,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:21,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:21,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac730e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21, skipping insertion in model container [2019-10-07 15:20:21,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:21,186 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:21,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:21,697 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:21,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:21,802 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:21,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21 WrapperNode [2019-10-07 15:20:21,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:21,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:21,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:21,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:21,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... [2019-10-07 15:20:21,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:21,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:21,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:21,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:21,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:21,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:21,951 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:21,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:21,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:21,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:21,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:21,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:21,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:21,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:21,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:23,483 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:23,484 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:23,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:23 BoogieIcfgContainer [2019-10-07 15:20:23,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:23,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:23,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:23,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:23,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:21" (1/3) ... [2019-10-07 15:20:23,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f961cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:23, skipping insertion in model container [2019-10-07 15:20:23,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:21" (2/3) ... [2019-10-07 15:20:23,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f961cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:23, skipping insertion in model container [2019-10-07 15:20:23,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:23" (3/3) ... [2019-10-07 15:20:23,495 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2019-10-07 15:20:23,507 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:23,520 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:23,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:23,573 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:23,573 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:23,574 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:23,574 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:23,575 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:23,575 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:23,576 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:23,576 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-10-07 15:20:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:23,620 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:23,621 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:23,624 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:23,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:23,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1912569543, now seen corresponding path program 1 times [2019-10-07 15:20:23,640 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:23,640 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:23,641 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:23,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:23,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:24,082 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,082 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:24,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:24,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:24,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:24,104 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-10-07 15:20:24,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,139 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2019-10-07 15:20:24,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:24,140 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:24,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,151 INFO L225 Difference]: With dead ends: 152 [2019-10-07 15:20:24,151 INFO L226 Difference]: Without dead ends: 78 [2019-10-07 15:20:24,155 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:24,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-07 15:20:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-07 15:20:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-07 15:20:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2019-10-07 15:20:24,205 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 52 [2019-10-07 15:20:24,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,206 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2019-10-07 15:20:24,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:24,206 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2019-10-07 15:20:24,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:24,209 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,210 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,210 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,211 INFO L82 PathProgramCache]: Analyzing trace with hash 308278196, now seen corresponding path program 1 times [2019-10-07 15:20:24,211 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,211 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,211 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,211 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:24,308 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,308 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,308 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:24,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:24,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:24,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:24,311 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 3 states. [2019-10-07 15:20:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,328 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-10-07 15:20:24,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:24,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,331 INFO L225 Difference]: With dead ends: 110 [2019-10-07 15:20:24,331 INFO L226 Difference]: Without dead ends: 70 [2019-10-07 15:20:24,333 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-07 15:20:24,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-07 15:20:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-07 15:20:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2019-10-07 15:20:24,344 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 53 [2019-10-07 15:20:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,345 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2019-10-07 15:20:24,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2019-10-07 15:20:24,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:20:24,347 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,347 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,348 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,348 INFO L82 PathProgramCache]: Analyzing trace with hash 438678433, now seen corresponding path program 1 times [2019-10-07 15:20:24,348 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,349 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:24,489 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,489 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,489 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:24,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:24,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:24,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:24,491 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 7 states. [2019-10-07 15:20:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:24,810 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2019-10-07 15:20:24,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:24,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-07 15:20:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:24,813 INFO L225 Difference]: With dead ends: 115 [2019-10-07 15:20:24,813 INFO L226 Difference]: Without dead ends: 70 [2019-10-07 15:20:24,816 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:24,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-07 15:20:24,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-07 15:20:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-07 15:20:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2019-10-07 15:20:24,830 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 55 [2019-10-07 15:20:24,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:24,832 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2019-10-07 15:20:24,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-10-07 15:20:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:20:24,837 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:24,838 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:24,838 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:24,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:24,838 INFO L82 PathProgramCache]: Analyzing trace with hash -885804970, now seen corresponding path program 1 times [2019-10-07 15:20:24,839 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:24,839 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,839 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:24,927 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:24,928 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:24,928 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:20:24,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:20:24,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:20:24,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:20:24,929 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 6 states. [2019-10-07 15:20:25,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:25,087 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2019-10-07 15:20:25,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:25,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-07 15:20:25,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:25,089 INFO L225 Difference]: With dead ends: 110 [2019-10-07 15:20:25,089 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:25,092 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:20:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:25,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:25,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:25,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-10-07 15:20:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:25,094 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:25,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:20:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:25,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:25,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:25,356 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-07 15:20:25,356 INFO L443 ceAbstractionStarter]: For program point L342-2(lines 342 363) no Hoare annotation was computed. [2019-10-07 15:20:25,356 INFO L443 ceAbstractionStarter]: For program point L364(lines 341 365) no Hoare annotation was computed. [2019-10-07 15:20:25,356 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 317 372) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 317 372) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 373 432) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 373 432) no Hoare annotation was computed. [2019-10-07 15:20:25,357 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 424) no Hoare annotation was computed. [2019-10-07 15:20:25,358 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 373 432) no Hoare annotation was computed. [2019-10-07 15:20:25,358 INFO L443 ceAbstractionStarter]: For program point L425(lines 398 426) no Hoare annotation was computed. [2019-10-07 15:20:25,358 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-07 15:20:25,358 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2019-10-07 15:20:25,358 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2019-10-07 15:20:25,359 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2019-10-07 15:20:25,359 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2019-10-07 15:20:25,359 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 634 641) the Hoare annotation is: true [2019-10-07 15:20:25,359 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 634 641) no Hoare annotation was computed. [2019-10-07 15:20:25,359 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 642 651) the Hoare annotation is: true [2019-10-07 15:20:25,359 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 642 651) no Hoare annotation was computed. [2019-10-07 15:20:25,359 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-10-07 15:20:25,360 INFO L439 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,360 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 671) no Hoare annotation was computed. [2019-10-07 15:20:25,360 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 674) no Hoare annotation was computed. [2019-10-07 15:20:25,360 INFO L446 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: true [2019-10-07 15:20:25,360 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-07 15:20:25,361 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-10-07 15:20:25,361 INFO L443 ceAbstractionStarter]: For program point L660-1(lines 652 680) no Hoare annotation was computed. [2019-10-07 15:20:25,361 INFO L446 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: true [2019-10-07 15:20:25,361 INFO L443 ceAbstractionStarter]: For program point L658-1(line 658) no Hoare annotation was computed. [2019-10-07 15:20:25,361 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 652 680) the Hoare annotation is: true [2019-10-07 15:20:25,361 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 652 680) no Hoare annotation was computed. [2019-10-07 15:20:25,361 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 206 228) the Hoare annotation is: true [2019-10-07 15:20:25,362 INFO L439 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (or (= main_~tmp~0 ~systemActive~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,362 INFO L439 ceAbstractionStarter]: At program point L218-1(line 218) the Hoare annotation is: (or (= main_~tmp~0 ~systemActive~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,362 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 206 228) no Hoare annotation was computed. [2019-10-07 15:20:25,362 INFO L443 ceAbstractionStarter]: For program point L216(lines 216 223) no Hoare annotation was computed. [2019-10-07 15:20:25,362 INFO L443 ceAbstractionStarter]: For program point L216-1(lines 216 223) no Hoare annotation was computed. [2019-10-07 15:20:25,362 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-07 15:20:25,363 INFO L446 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: true [2019-10-07 15:20:25,363 INFO L446 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2019-10-07 15:20:25,363 INFO L446 ceAbstractionStarter]: At program point L212-1(line 212) the Hoare annotation is: true [2019-10-07 15:20:25,363 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 159 182) no Hoare annotation was computed. [2019-10-07 15:20:25,363 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 159 182) no Hoare annotation was computed. [2019-10-07 15:20:25,363 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 159 182) no Hoare annotation was computed. [2019-10-07 15:20:25,363 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-07 15:20:25,364 INFO L443 ceAbstractionStarter]: For program point L170(line 170) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-07 15:20:25,365 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2019-10-07 15:20:25,366 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2019-10-07 15:20:25,366 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-07 15:20:25,366 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-10-07 15:20:25,366 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 822 857) no Hoare annotation was computed. [2019-10-07 15:20:25,366 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 822 857) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2019-10-07 15:20:25,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 271 316) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 271 316) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 584 629) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 584 629) no Hoare annotation was computed. [2019-10-07 15:20:25,367 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 192 202) the Hoare annotation is: true [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 192 202) no Hoare annotation was computed. [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 192 202) no Hoare annotation was computed. [2019-10-07 15:20:25,368 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 802 812) no Hoare annotation was computed. [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-07 15:20:25,368 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-10-07 15:20:25,369 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 794 801) no Hoare annotation was computed. [2019-10-07 15:20:25,369 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2019-10-07 15:20:25,369 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 779 785) no Hoare annotation was computed. [2019-10-07 15:20:25,369 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 779 785) the Hoare annotation is: true [2019-10-07 15:20:25,369 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-07 15:20:25,369 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 682 745) the Hoare annotation is: true [2019-10-07 15:20:25,370 INFO L439 ceAbstractionStarter]: At program point L735(lines 692 737) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-07 15:20:25,370 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-10-07 15:20:25,370 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2019-10-07 15:20:25,370 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 682 745) no Hoare annotation was computed. [2019-10-07 15:20:25,370 INFO L439 ceAbstractionStarter]: At program point L738(lines 691 739) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,371 INFO L439 ceAbstractionStarter]: At program point L728-2(lines 722 733) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-07 15:20:25,371 INFO L443 ceAbstractionStarter]: For program point L693(lines 692 737) no Hoare annotation was computed. [2019-10-07 15:20:25,371 INFO L439 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 test_~splverifierCounter~0)) [2019-10-07 15:20:25,371 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-07 15:20:25,371 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-10-07 15:20:25,371 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 682 745) no Hoare annotation was computed. [2019-10-07 15:20:25,371 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 538 583) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 538 583) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2019-10-07 15:20:25,372 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 522) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 435 537) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 435 537) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point L484-2(lines 484 504) no Hoare annotation was computed. [2019-10-07 15:20:25,373 INFO L443 ceAbstractionStarter]: For program point L505(lines 483 506) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 435 537) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 480) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L443 ceAbstractionStarter]: For program point L485(lines 484 504) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L443 ceAbstractionStarter]: For program point L516(line 516) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-10-07 15:20:25,374 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 786 793) no Hoare annotation was computed. [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 786 793) no Hoare annotation was computed. [2019-10-07 15:20:25,375 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-07 15:20:25,375 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-07 15:20:25,375 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,376 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,376 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:20:25,376 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-07 15:20:25,376 INFO L446 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2019-10-07 15:20:25,376 INFO L446 ceAbstractionStarter]: At program point L766(lines 766 772) the Hoare annotation is: true [2019-10-07 15:20:25,376 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:25,377 INFO L443 ceAbstractionStarter]: For program point L759(lines 755 777) no Hoare annotation was computed. [2019-10-07 15:20:25,377 INFO L443 ceAbstractionStarter]: For program point L757(lines 755 777) no Hoare annotation was computed. [2019-10-07 15:20:25,377 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 752 778) the Hoare annotation is: true [2019-10-07 15:20:25,377 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 752 778) no Hoare annotation was computed. [2019-10-07 15:20:25,377 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 752 778) no Hoare annotation was computed. [2019-10-07 15:20:25,377 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2019-10-07 15:20:25,378 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2019-10-07 15:20:25,378 INFO L446 ceAbstractionStarter]: At program point L153(lines 128 157) the Hoare annotation is: true [2019-10-07 15:20:25,378 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-07 15:20:25,378 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 146) no Hoare annotation was computed. [2019-10-07 15:20:25,378 INFO L446 ceAbstractionStarter]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2019-10-07 15:20:25,378 INFO L446 ceAbstractionStarter]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2019-10-07 15:20:25,379 INFO L446 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2019-10-07 15:20:25,379 INFO L443 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2019-10-07 15:20:25,379 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-07 15:20:25,379 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-07 15:20:25,379 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 183 189) no Hoare annotation was computed. [2019-10-07 15:20:25,379 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 183 189) the Hoare annotation is: true [2019-10-07 15:20:25,379 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,380 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:25,380 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:25,380 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:25,380 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-07 15:20:25,380 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-07 15:20:25,380 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2019-10-07 15:20:25,380 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2019-10-07 15:20:25,381 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-07 15:20:25,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:25 BoogieIcfgContainer [2019-10-07 15:20:25,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:25,398 INFO L168 Benchmark]: Toolchain (without parser) took 4291.13 ms. Allocated memory was 145.2 MB in the beginning and 245.9 MB in the end (delta: 100.7 MB). Free memory was 102.3 MB in the beginning and 109.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,399 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.59 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 169.9 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,401 INFO L168 Benchmark]: Boogie Preprocessor took 90.31 ms. Allocated memory is still 201.9 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,402 INFO L168 Benchmark]: RCFGBuilder took 1591.45 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 153.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,403 INFO L168 Benchmark]: TraceAbstraction took 1908.05 ms. Allocated memory was 234.9 MB in the beginning and 245.9 MB in the end (delta: 11.0 MB). Free memory was 153.6 MB in the beginning and 109.7 MB in the end (delta: 44.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:25,408 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.59 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 102.1 MB in the beginning and 169.9 MB in the end (delta: -67.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.31 ms. Allocated memory is still 201.9 MB. Free memory was 169.9 MB in the beginning and 165.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1591.45 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 153.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1908.05 ms. Allocated memory was 234.9 MB in the beginning and 245.9 MB in the end (delta: 11.0 MB). Free memory was 153.6 MB in the beginning and 109.7 MB in the end (delta: 44.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 692]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || 0 == splverifierCounter - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(systemActive == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 158 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 312 SDtfs, 137 SDslu, 369 SDs, 0 SdLazy, 132 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 125 PreInvPairs, 132 NumberOfFragments, 139 HoareAnnotationTreeSize, 125 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 402 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 18842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...