/usr/bin/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_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:28:22,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:28:22,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:28:22,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:28:22,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:28:22,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:28:22,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:28:22,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:28:22,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:28:22,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:28:22,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:28:22,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:28:22,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:28:22,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:28:22,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:28:22,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:28:22,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:28:22,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:28:22,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:28:22,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:28:22,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:28:22,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:28:22,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:28:22,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:28:22,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:28:22,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:28:22,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:28:22,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:28:22,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:28:22,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:28:22,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:28:22,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:28:22,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:28:22,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:28:22,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:28:22,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:28:22,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:28:22,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:28:22,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:28:22,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:28:22,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:28:22,859 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 [2019-11-07 04:28:22,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:28:22,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:28:22,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:28:22,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:28:22,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:28:22,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:28:22,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:28:22,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:28:22,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:28:22,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:28:22,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:28:22,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:28:22,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:28:22,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:28:22,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:28:22,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:28:22,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:28:22,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:28:22,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:28:22,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:28:22,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:28:22,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:22,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:28:22,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:28:22,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:28:22,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:28:22,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:28:22,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:28:22,880 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 [2019-11-07 04:28:23,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:28:23,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:28:23,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:28:23,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:28:23,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:28:23,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-11-07 04:28:23,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b7880a1/584235fcf7cf4ac29dbc5fc2554e72b1/FLAG15ee5f598 [2019-11-07 04:28:23,839 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:28:23,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2019-11-07 04:28:23,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b7880a1/584235fcf7cf4ac29dbc5fc2554e72b1/FLAG15ee5f598 [2019-11-07 04:28:24,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b7880a1/584235fcf7cf4ac29dbc5fc2554e72b1 [2019-11-07 04:28:24,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:28:24,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:28:24,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:24,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:28:24,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:28:24,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df73c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24, skipping insertion in model container [2019-11-07 04:28:24,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:28:24,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:28:24,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:24,770 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:28:24,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:24,916 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:28:24,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24 WrapperNode [2019-11-07 04:28:24,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:24,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:28:24,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:28:24,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:28:24,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:24,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:25,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (1/1) ... [2019-11-07 04:28:25,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:28:25,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:28:25,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:28:25,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:28:25,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (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 [2019-11-07 04:28:25,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:28:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:28:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:28:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:28:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:28:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:28:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:28:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:28:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:28:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:28:25,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:28:25,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:28:25,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:28:25,087 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:28:25,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:28:25,089 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:28:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:28:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:28:25,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:28:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:28:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:28:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:25,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:28:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:28:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:28:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:28:25,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:28:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:28:25,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:28:26,643 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:28:26,643 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:28:26,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:26 BoogieIcfgContainer [2019-11-07 04:28:26,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:28:26,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:28:26,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:28:26,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:28:26,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:24" (1/3) ... [2019-11-07 04:28:26,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf2b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:26, skipping insertion in model container [2019-11-07 04:28:26,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:24" (2/3) ... [2019-11-07 04:28:26,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf2b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:26, skipping insertion in model container [2019-11-07 04:28:26,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:26" (3/3) ... [2019-11-07 04:28:26,654 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2019-11-07 04:28:26,665 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:28:26,676 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:28:26,692 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:28:26,733 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:28:26,733 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:28:26,734 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:28:26,734 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:28:26,734 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:28:26,735 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:28:26,735 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:28:26,735 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:28:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-07 04:28:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:28:26,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:26,783 INFO L410 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] [2019-11-07 04:28:26,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:26,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:26,794 INFO L82 PathProgramCache]: Analyzing trace with hash -335603628, now seen corresponding path program 1 times [2019-11-07 04:28:26,808 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:26,808 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589650383] [2019-11-07 04:28:26,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:27,181 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589650383] [2019-11-07 04:28:27,182 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:27,183 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:28:27,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87542970] [2019-11-07 04:28:27,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:28:27,192 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:27,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:28:27,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:27,206 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-11-07 04:28:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:27,235 INFO L93 Difference]: Finished difference Result 139 states and 168 transitions. [2019-11-07 04:28:27,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:28:27,237 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:28:27,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:27,248 INFO L225 Difference]: With dead ends: 139 [2019-11-07 04:28:27,248 INFO L226 Difference]: Without dead ends: 70 [2019-11-07 04:28:27,253 INFO L630 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 [2019-11-07 04:28:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-07 04:28:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-11-07 04:28:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-07 04:28:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2019-11-07 04:28:27,302 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2019-11-07 04:28:27,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:27,303 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2019-11-07 04:28:27,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:28:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2019-11-07 04:28:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:28:27,306 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:27,307 INFO L410 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] [2019-11-07 04:28:27,307 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:27,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:27,307 INFO L82 PathProgramCache]: Analyzing trace with hash -231182506, now seen corresponding path program 1 times [2019-11-07 04:28:27,308 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:27,308 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272412052] [2019-11-07 04:28:27,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:27,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:27,434 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272412052] [2019-11-07 04:28:27,434 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:27,434 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:28:27,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973105119] [2019-11-07 04:28:27,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:28:27,437 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:27,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:28:27,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:27,437 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 3 states. [2019-11-07 04:28:27,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:27,460 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2019-11-07 04:28:27,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:28:27,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:28:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:27,466 INFO L225 Difference]: With dead ends: 97 [2019-11-07 04:28:27,466 INFO L226 Difference]: Without dead ends: 62 [2019-11-07 04:28:27,468 INFO L630 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 [2019-11-07 04:28:27,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-07 04:28:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-07 04:28:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-07 04:28:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2019-11-07 04:28:27,491 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 43 [2019-11-07 04:28:27,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:27,491 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2019-11-07 04:28:27,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:28:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2019-11-07 04:28:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-07 04:28:27,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:27,495 INFO L410 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] [2019-11-07 04:28:27,495 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:27,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1693961167, now seen corresponding path program 1 times [2019-11-07 04:28:27,496 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:27,496 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245562231] [2019-11-07 04:28:27,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:27,735 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245562231] [2019-11-07 04:28:27,735 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:27,735 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:27,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106137793] [2019-11-07 04:28:27,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:27,739 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:27,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:27,740 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 7 states. [2019-11-07 04:28:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:28,003 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2019-11-07 04:28:28,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:28,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-11-07 04:28:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:28,007 INFO L225 Difference]: With dead ends: 102 [2019-11-07 04:28:28,007 INFO L226 Difference]: Without dead ends: 62 [2019-11-07 04:28:28,008 INFO L630 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 [2019-11-07 04:28:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-07 04:28:28,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-11-07 04:28:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-11-07 04:28:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-11-07 04:28:28,019 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 45 [2019-11-07 04:28:28,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:28,019 INFO L462 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-11-07 04:28:28,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-11-07 04:28:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-07 04:28:28,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:28,027 INFO L410 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] [2019-11-07 04:28:28,027 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:28,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1283995517, now seen corresponding path program 1 times [2019-11-07 04:28:28,029 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:28,029 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171933478] [2019-11-07 04:28:28,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:28,175 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171933478] [2019-11-07 04:28:28,175 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:28,175 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:28,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139314601] [2019-11-07 04:28:28,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:28,177 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:28,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:28,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:28,178 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 6 states. [2019-11-07 04:28:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:28,363 INFO L93 Difference]: Finished difference Result 135 states and 150 transitions. [2019-11-07 04:28:28,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:28,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2019-11-07 04:28:28,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:28,368 INFO L225 Difference]: With dead ends: 135 [2019-11-07 04:28:28,369 INFO L226 Difference]: Without dead ends: 95 [2019-11-07 04:28:28,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:28:28,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-07 04:28:28,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2019-11-07 04:28:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-11-07 04:28:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2019-11-07 04:28:28,396 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 48 [2019-11-07 04:28:28,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:28,398 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2019-11-07 04:28:28,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2019-11-07 04:28:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 04:28:28,400 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:28,400 INFO L410 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] [2019-11-07 04:28:28,400 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:28,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1629078728, now seen corresponding path program 1 times [2019-11-07 04:28:28,402 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:28,405 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86789161] [2019-11-07 04:28:28,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:28:28,507 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86789161] [2019-11-07 04:28:28,507 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:28,507 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:28,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615916860] [2019-11-07 04:28:28,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:28,508 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:28,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:28,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:28,514 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 6 states. [2019-11-07 04:28:28,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:28,665 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2019-11-07 04:28:28,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:28,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-11-07 04:28:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:28,670 INFO L225 Difference]: With dead ends: 153 [2019-11-07 04:28:28,670 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:28:28,675 INFO L630 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 [2019-11-07 04:28:28,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:28:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:28:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:28:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:28:28,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2019-11-07 04:28:28,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:28,676 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:28:28,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:28:28,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:28:28,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:28:29,129 INFO L443 ceAbstractionStarter]: For program point L574(lines 551 575) no Hoare annotation was computed. [2019-11-07 04:28:29,130 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 562) no Hoare annotation was computed. [2019-11-07 04:28:29,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2019-11-07 04:28:29,130 INFO L443 ceAbstractionStarter]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2019-11-07 04:28:29,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2019-11-07 04:28:29,130 INFO L443 ceAbstractionStarter]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2019-11-07 04:28:29,131 INFO L443 ceAbstractionStarter]: For program point L635(lines 608 636) no Hoare annotation was computed. [2019-11-07 04:28:29,131 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2019-11-07 04:28:29,131 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-11-07 04:28:29,131 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-11-07 04:28:29,132 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2019-11-07 04:28:29,132 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2019-11-07 04:28:29,132 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 619) no Hoare annotation was computed. [2019-11-07 04:28:29,133 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2019-11-07 04:28:29,133 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2019-11-07 04:28:29,133 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2019-11-07 04:28:29,133 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2019-11-07 04:28:29,133 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-11-07 04:28:29,134 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-11-07 04:28:29,134 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,134 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,134 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,134 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,135 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-11-07 04:28:29,135 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,135 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,135 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-07 04:28:29,135 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:28:29,135 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 04:28:29,136 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 04:28:29,137 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 337 372) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 337 372) no Hoare annotation was computed. [2019-11-07 04:28:29,138 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2019-11-07 04:28:29,139 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2019-11-07 04:28:29,139 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2019-11-07 04:28:29,139 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2019-11-07 04:28:29,139 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,139 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-11-07 04:28:29,139 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 317 327) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 317 327) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 309 316) no Hoare annotation was computed. [2019-11-07 04:28:29,140 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2019-11-07 04:28:29,141 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2019-11-07 04:28:29,141 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2019-11-07 04:28:29,141 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 374 437) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,141 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2019-11-07 04:28:29,141 INFO L439 ceAbstractionStarter]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:29,141 INFO L439 ceAbstractionStarter]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:28:29,141 INFO L443 ceAbstractionStarter]: For program point L385(lines 384 429) no Hoare annotation was computed. [2019-11-07 04:28:29,142 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:28:29,142 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-11-07 04:28:29,142 INFO L443 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2019-11-07 04:28:29,142 INFO L439 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:28:29,142 INFO L439 ceAbstractionStarter]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 test_~splverifierCounter~0)) [2019-11-07 04:28:29,142 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2019-11-07 04:28:29,142 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2019-11-07 04:28:29,143 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 673) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L715(lines 693 716) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 690) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L695(lines 694 714) no Hoare annotation was computed. [2019-11-07 04:28:29,144 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 732) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point L710-1(line 710) no Hoare annotation was computed. [2019-11-07 04:28:29,145 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:29,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 301 308) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2019-11-07 04:28:29,146 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:29,147 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:28:29,147 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-11-07 04:28:29,147 INFO L446 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: true [2019-11-07 04:28:29,147 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:29,147 INFO L443 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2019-11-07 04:28:29,147 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: true [2019-11-07 04:28:29,147 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2019-11-07 04:28:29,148 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2019-11-07 04:28:29,148 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 04:28:29,148 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 04:28:29,148 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 04:28:29,148 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 04:28:29,148 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 04:28:29,149 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2019-11-07 04:28:29,149 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2019-11-07 04:28:29,149 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2019-11-07 04:28:29,150 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 04:28:29,150 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 04:28:29,150 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:29,150 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:28:29,150 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:29,150 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:28:29,150 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2019-11-07 04:28:29,151 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2019-11-07 04:28:29,151 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2019-11-07 04:28:29,151 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2019-11-07 04:28:29,151 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2019-11-07 04:28:29,151 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-11-07 04:28:29,151 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 461) no Hoare annotation was computed. [2019-11-07 04:28:29,151 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2019-11-07 04:28:29,152 INFO L446 ceAbstractionStarter]: At program point L446(line 446) the Hoare annotation is: true [2019-11-07 04:28:29,152 INFO L443 ceAbstractionStarter]: For program point L446-1(line 446) no Hoare annotation was computed. [2019-11-07 04:28:29,152 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2019-11-07 04:28:29,152 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2019-11-07 04:28:29,152 INFO L439 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:28:29,152 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2019-11-07 04:28:29,152 INFO L439 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:28:29,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:28:29 BoogieIcfgContainer [2019-11-07 04:28:29,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:28:29,168 INFO L168 Benchmark]: Toolchain (without parser) took 5029.12 ms. Allocated memory was 136.3 MB in the beginning and 248.5 MB in the end (delta: 112.2 MB). Free memory was 99.9 MB in the beginning and 198.0 MB in the end (delta: -98.1 MB). Peak memory consumption was 128.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,170 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.69 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.7 MB in the beginning and 169.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,172 INFO L168 Benchmark]: Boogie Preprocessor took 104.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,173 INFO L168 Benchmark]: RCFGBuilder took 1623.39 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 165.2 MB in the beginning and 156.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,174 INFO L168 Benchmark]: TraceAbstraction took 2519.36 ms. Allocated memory was 232.3 MB in the beginning and 248.5 MB in the end (delta: 16.3 MB). Free memory was 156.3 MB in the beginning and 198.0 MB in the end (delta: -41.7 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:29,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.69 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 99.7 MB in the beginning and 169.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1623.39 ms. Allocated memory was 202.9 MB in the beginning and 232.3 MB in the end (delta: 29.4 MB). Free memory was 165.2 MB in the beginning and 156.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2519.36 ms. Allocated memory was 232.3 MB in the beginning and 248.5 MB in the end (delta: 16.3 MB). Free memory was 156.3 MB in the beginning and 198.0 MB in the end (delta: -41.7 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || 0 == splverifierCounter - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 150 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 343 SDtfs, 122 SDslu, 543 SDs, 0 SdLazy, 161 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 151 PreInvPairs, 163 NumberOfFragments, 277 HoareAnnotationTreeSize, 151 FomulaSimplifications, 61 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 567 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 18598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...