/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:28:28,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:28:28,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:28:28,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:28:29,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:28:29,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:28:29,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:28:29,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:28:29,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:28:29,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:28:29,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:28:29,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:28:29,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:28:29,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:28:29,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:28:29,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:28:29,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:28:29,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:28:29,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:28:29,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:28:29,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:28:29,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:28:29,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:28:29,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:28:29,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:28:29,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:28:29,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:28:29,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:28:29,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:28:29,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:28:29,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:28:29,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:28:29,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:28:29,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:28:29,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:28:29,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:28:29,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:28:29,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:28:29,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:28:29,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:28:29,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:28:29,042 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 04:28:29,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:28:29,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:28:29,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:28:29,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:28:29,058 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:28:29,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:28:29,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:28:29,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:28:29,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:28:29,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:28:29,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:28:29,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:28:29,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:28:29,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:28:29,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:28:29,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:28:29,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:28:29,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:28:29,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:28:29,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:28:29,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:28:29,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:28:29,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:28:29,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:28:29,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:28:29,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:28:29,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:28:29,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:28:29,063 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 04:28:29,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:28:29,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:28:29,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:28:29,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:28:29,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:28:29,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2019-11-07 04:28:29,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa2eefab/ae99fd1d0e824cfe898e4f031ca4f8fb/FLAG2ee3d4fb9 [2019-11-07 04:28:30,007 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:28:30,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2019-11-07 04:28:30,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa2eefab/ae99fd1d0e824cfe898e4f031ca4f8fb/FLAG2ee3d4fb9 [2019-11-07 04:28:30,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aa2eefab/ae99fd1d0e824cfe898e4f031ca4f8fb [2019-11-07 04:28:30,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:28:30,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:28:30,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:30,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:28:30,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:28:30,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48496e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30, skipping insertion in model container [2019-11-07 04:28:30,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,299 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:28:30,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:28:30,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:30,790 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:28:30,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:28:30,919 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:28:30,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30 WrapperNode [2019-11-07 04:28:30,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:28:30,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:28:30,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:28:30,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:28:30,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:30,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:31,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (1/1) ... [2019-11-07 04:28:31,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:28:31,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:28:31,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:28:31,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:28:31,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (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 04:28:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:28:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:28:31,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:28:31,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:28:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:28:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:28:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:28:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:28:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:28:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:28:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:28:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:28:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:28:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:28:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:28:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:28:31,080 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:28:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:28:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:28:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:28:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:28:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:28:31,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:28:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:28:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:28:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:28:32,512 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:28:32,513 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:28:32,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:32 BoogieIcfgContainer [2019-11-07 04:28:32,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:28:32,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:28:32,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:28:32,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:28:32,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:28:30" (1/3) ... [2019-11-07 04:28:32,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76842701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:32, skipping insertion in model container [2019-11-07 04:28:32,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:28:30" (2/3) ... [2019-11-07 04:28:32,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76842701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:28:32, skipping insertion in model container [2019-11-07 04:28:32,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:28:32" (3/3) ... [2019-11-07 04:28:32,522 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2019-11-07 04:28:32,532 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:28:32,541 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:28:32,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:28:32,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:28:32,580 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:28:32,580 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:28:32,580 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:28:32,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:28:32,581 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:28:32,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:28:32,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:28:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-07 04:28:32,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-07 04:28:32,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:32,613 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 04:28:32,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:32,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:32,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1244502540, now seen corresponding path program 1 times [2019-11-07 04:28:32,631 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:32,632 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024780767] [2019-11-07 04:28:32,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:33,057 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 04:28:33,058 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024780767] [2019-11-07 04:28:33,059 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:33,061 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:28:33,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876861869] [2019-11-07 04:28:33,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:28:33,069 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:33,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:28:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:28:33,085 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-07 04:28:33,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:33,126 INFO L93 Difference]: Finished difference Result 163 states and 198 transitions. [2019-11-07 04:28:33,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:28:33,128 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-11-07 04:28:33,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:33,141 INFO L225 Difference]: With dead ends: 163 [2019-11-07 04:28:33,142 INFO L226 Difference]: Without dead ends: 82 [2019-11-07 04:28:33,146 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 04:28:33,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-11-07 04:28:33,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-11-07 04:28:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-07 04:28:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-11-07 04:28:33,200 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 42 [2019-11-07 04:28:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:33,201 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-11-07 04:28:33,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:28:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-11-07 04:28:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-07 04:28:33,205 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:33,205 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 04:28:33,205 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:33,206 INFO L82 PathProgramCache]: Analyzing trace with hash -256714164, now seen corresponding path program 1 times [2019-11-07 04:28:33,206 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:33,206 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990841569] [2019-11-07 04:28:33,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:33,316 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 04:28:33,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990841569] [2019-11-07 04:28:33,317 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:33,318 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:28:33,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812551317] [2019-11-07 04:28:33,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:28:33,322 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:33,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:28:33,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:28:33,324 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-11-07 04:28:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:33,361 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2019-11-07 04:28:33,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:28:33,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-11-07 04:28:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:33,367 INFO L225 Difference]: With dead ends: 109 [2019-11-07 04:28:33,367 INFO L226 Difference]: Without dead ends: 74 [2019-11-07 04:28:33,370 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 04:28:33,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-07 04:28:33,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-11-07 04:28:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-07 04:28:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-11-07 04:28:33,395 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 43 [2019-11-07 04:28:33,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:33,397 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-11-07 04:28:33,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:28:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-11-07 04:28:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:28:33,401 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:33,402 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] [2019-11-07 04:28:33,402 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:33,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1904335376, now seen corresponding path program 1 times [2019-11-07 04:28:33,403 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:33,403 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946587293] [2019-11-07 04:28:33,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:33,608 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 04:28:33,609 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946587293] [2019-11-07 04:28:33,609 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:33,610 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:28:33,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703793271] [2019-11-07 04:28:33,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:28:33,612 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:33,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:28:33,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:28:33,613 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-11-07 04:28:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:34,006 INFO L93 Difference]: Finished difference Result 223 states and 262 transitions. [2019-11-07 04:28:34,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:28:34,006 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-11-07 04:28:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:34,009 INFO L225 Difference]: With dead ends: 223 [2019-11-07 04:28:34,009 INFO L226 Difference]: Without dead ends: 171 [2019-11-07 04:28:34,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 04:28:34,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2019-11-07 04:28:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 149. [2019-11-07 04:28:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-11-07 04:28:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2019-11-07 04:28:34,034 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 47 [2019-11-07 04:28:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:34,035 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2019-11-07 04:28:34,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:28:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2019-11-07 04:28:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:28:34,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:34,037 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] [2019-11-07 04:28:34,038 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash 619722114, now seen corresponding path program 1 times [2019-11-07 04:28:34,038 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:34,038 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984082002] [2019-11-07 04:28:34,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:34,170 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 04:28:34,170 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984082002] [2019-11-07 04:28:34,171 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:34,172 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:34,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102515449] [2019-11-07 04:28:34,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:34,174 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:34,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:34,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:34,174 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand 6 states. [2019-11-07 04:28:34,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:34,364 INFO L93 Difference]: Finished difference Result 388 states and 465 transitions. [2019-11-07 04:28:34,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:28:34,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-11-07 04:28:34,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:34,368 INFO L225 Difference]: With dead ends: 388 [2019-11-07 04:28:34,368 INFO L226 Difference]: Without dead ends: 261 [2019-11-07 04:28:34,370 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 04:28:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-11-07 04:28:34,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-11-07 04:28:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-11-07 04:28:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 290 transitions. [2019-11-07 04:28:34,399 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 290 transitions. Word has length 50 [2019-11-07 04:28:34,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:34,400 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 290 transitions. [2019-11-07 04:28:34,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 290 transitions. [2019-11-07 04:28:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:28:34,403 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:28:34,403 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, 1, 1] [2019-11-07 04:28:34,403 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:28:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:28:34,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1026130741, now seen corresponding path program 1 times [2019-11-07 04:28:34,404 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:28:34,404 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828440914] [2019-11-07 04:28:34,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:28:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:28:34,503 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 04:28:34,503 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828440914] [2019-11-07 04:28:34,503 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:28:34,504 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:28:34,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749891218] [2019-11-07 04:28:34,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:28:34,505 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:28:34,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:28:34,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:28:34,505 INFO L87 Difference]: Start difference. First operand 249 states and 290 transitions. Second operand 6 states. [2019-11-07 04:28:34,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:28:34,657 INFO L93 Difference]: Finished difference Result 455 states and 548 transitions. [2019-11-07 04:28:34,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:28:34,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-07 04:28:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:28:34,659 INFO L225 Difference]: With dead ends: 455 [2019-11-07 04:28:34,659 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:28:34,662 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 04:28:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:28:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:28:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:28:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:28:34,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-07 04:28:34,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:28:34,663 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:28:34,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:28:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:28:34,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:28:34,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:28:35,289 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-11-07 04:28:35,289 INFO L443 ceAbstractionStarter]: For program point L339-2(lines 339 360) no Hoare annotation was computed. [2019-11-07 04:28:35,290 INFO L443 ceAbstractionStarter]: For program point L361(lines 338 362) no Hoare annotation was computed. [2019-11-07 04:28:35,290 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 314 369) no Hoare annotation was computed. [2019-11-07 04:28:35,290 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 314 369) no Hoare annotation was computed. [2019-11-07 04:28:35,290 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-07 04:28:35,291 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-11-07 04:28:35,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 370 429) no Hoare annotation was computed. [2019-11-07 04:28:35,291 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 406) no Hoare annotation was computed. [2019-11-07 04:28:35,291 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 370 429) no Hoare annotation was computed. [2019-11-07 04:28:35,292 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 421) no Hoare annotation was computed. [2019-11-07 04:28:35,292 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 370 429) no Hoare annotation was computed. [2019-11-07 04:28:35,292 INFO L443 ceAbstractionStarter]: For program point L422(lines 395 423) no Hoare annotation was computed. [2019-11-07 04:28:35,292 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2019-11-07 04:28:35,293 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2019-11-07 04:28:35,293 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2019-11-07 04:28:35,293 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2019-11-07 04:28:35,293 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,293 INFO L439 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:28:35,293 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2019-11-07 04:28:35,294 INFO L439 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:28:35,294 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2019-11-07 04:28:35,294 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2019-11-07 04:28:35,294 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-11-07 04:28:35,294 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,295 INFO L439 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,295 INFO L439 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,295 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 804 827) no Hoare annotation was computed. [2019-11-07 04:28:35,295 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 804 827) no Hoare annotation was computed. [2019-11-07 04:28:35,295 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 804 827) no Hoare annotation was computed. [2019-11-07 04:28:35,295 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-11-07 04:28:35,295 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-11-07 04:28:35,296 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2019-11-07 04:28:35,297 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-11-07 04:28:35,297 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 202 237) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 202 237) no Hoare annotation was computed. [2019-11-07 04:28:35,298 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 268 313) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 268 313) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 581 626) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 581 626) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2019-11-07 04:28:35,299 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 182 192) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2019-11-07 04:28:35,300 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2019-11-07 04:28:35,301 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,301 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,301 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2019-11-07 04:28:35,301 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,301 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2019-11-07 04:28:35,301 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2019-11-07 04:28:35,301 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2019-11-07 04:28:35,302 INFO L439 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,302 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,302 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 04:28:35,302 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-11-07 04:28:35,302 INFO L439 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,302 INFO L439 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,302 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L439 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 535 580) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 535 580) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2019-11-07 04:28:35,303 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L481-2(lines 481 501) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 432 534) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L502(lines 480 503) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L461(lines 461 477) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 432 534) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L482(lines 481 501) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L513(line 513) no Hoare annotation was computed. [2019-11-07 04:28:35,304 INFO L443 ceAbstractionStarter]: For program point L513-1(line 513) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 519) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 432 534) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point L497-1(line 497) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 713 722) no Hoare annotation was computed. [2019-11-07 04:28:35,305 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 713 722) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:35,306 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 166 173) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 699 707) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2019-11-07 04:28:35,306 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2019-11-07 04:28:35,307 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2019-11-07 04:28:35,307 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:35,307 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:28:35,307 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-11-07 04:28:35,307 INFO L446 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2019-11-07 04:28:35,307 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2019-11-07 04:28:35,307 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:35,307 INFO L443 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2019-11-07 04:28:35,308 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2019-11-07 04:28:35,308 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2019-11-07 04:28:35,308 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2019-11-07 04:28:35,308 INFO L446 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2019-11-07 04:28:35,308 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2019-11-07 04:28:35,308 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-11-07 04:28:35,308 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2019-11-07 04:28:35,309 INFO L446 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2019-11-07 04:28:35,309 INFO L446 ceAbstractionStarter]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2019-11-07 04:28:35,309 INFO L446 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2019-11-07 04:28:35,309 INFO L443 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2019-11-07 04:28:35,309 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2019-11-07 04:28:35,309 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2019-11-07 04:28:35,309 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2019-11-07 04:28:35,310 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2019-11-07 04:28:35,310 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2019-11-07 04:28:35,310 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2019-11-07 04:28:35,310 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:28:35,310 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 04:28:35,310 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:28:35,310 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:28:35,311 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2019-11-07 04:28:35,311 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2019-11-07 04:28:35,311 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2019-11-07 04:28:35,311 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2019-11-07 04:28:35,311 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 04:28:35,311 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 04:28:35,311 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2019-11-07 04:28:35,312 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-11-07 04:28:35,312 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L439 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:28:35,312 INFO L443 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L443 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L443 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2019-11-07 04:28:35,312 INFO L446 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2019-11-07 04:28:35,313 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-11-07 04:28:35,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:28:35 BoogieIcfgContainer [2019-11-07 04:28:35,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:28:35,329 INFO L168 Benchmark]: Toolchain (without parser) took 5045.93 ms. Allocated memory was 137.9 MB in the beginning and 248.5 MB in the end (delta: 110.6 MB). Free memory was 100.1 MB in the beginning and 148.9 MB in the end (delta: -48.8 MB). Peak memory consumption was 125.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,330 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.53 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,332 INFO L168 Benchmark]: Boogie Preprocessor took 90.63 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 165.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,333 INFO L168 Benchmark]: RCFGBuilder took 1503.24 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 157.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,334 INFO L168 Benchmark]: TraceAbstraction took 2811.23 ms. Allocated memory was 233.8 MB in the beginning and 248.5 MB in the end (delta: 14.7 MB). Free memory was 157.4 MB in the beginning and 148.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:28:35,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.53 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 170.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.63 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 165.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1503.24 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 157.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2811.23 ms. Allocated memory was 233.8 MB in the beginning and 248.5 MB in the end (delta: 14.7 MB). Free memory was 157.4 MB in the beginning and 148.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 160 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 441 SDtfs, 209 SDslu, 863 SDs, 0 SdLazy, 243 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 302 PreInvPairs, 342 NumberOfFragments, 395 HoareAnnotationTreeSize, 302 FomulaSimplifications, 356 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1201 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 20208 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...