/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/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --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_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:45:26,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:45:26,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:45:26,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:45:26,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:45:26,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:45:26,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:45:26,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:45:26,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:45:26,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:45:26,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:45:26,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:45:26,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:45:26,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:45:26,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:45:26,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:45:26,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:45:26,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:45:26,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:45:26,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:45:26,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:45:26,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:45:26,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:45:26,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:45:26,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:45:26,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:45:26,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:45:26,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:45:26,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:45:26,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:45:26,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:45:26,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:45:26,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:45:26,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:45:26,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:45:26,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:45:26,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:45:26,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:45:26,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:45:26,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:45:26,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:45:26,072 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 10:45:26,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:45:26,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:45:26,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:45:26,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:45:26,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:45:26,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:45:26,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:45:26,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:45:26,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:45:26,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:45:26,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:45:26,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:45:26,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:45:26,096 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:45:26,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:45:26,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:45:26,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:45:26,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:45:26,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:45:26,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:45:26,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:45:26,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:45:26,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:45:26,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:45:26,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:45:26,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:45:26,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:45:26,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:45:26,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 10:45:26,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:45:26,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:45:26,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:45:26,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:45:26,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:45:26,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-11-07 10:45:26,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c50c71a/60244441e0b54b2e9a38c79e10d5ddce/FLAGa276008c3 [2019-11-07 10:45:26,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:45:26,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2019-11-07 10:45:26,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c50c71a/60244441e0b54b2e9a38c79e10d5ddce/FLAGa276008c3 [2019-11-07 10:45:27,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5c50c71a/60244441e0b54b2e9a38c79e10d5ddce [2019-11-07 10:45:27,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:45:27,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:45:27,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:27,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:45:27,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:45:27,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:27" (1/1) ... [2019-11-07 10:45:27,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d97285e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:27, skipping insertion in model container [2019-11-07 10:45:27,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:27" (1/1) ... [2019-11-07 10:45:27,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:45:27,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:45:27,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:27,916 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:45:27,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:28,023 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:45:28,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28 WrapperNode [2019-11-07 10:45:28,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:28,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:45:28,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:45:28,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:45:28,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:45:28,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:45:28,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:45:28,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:45:28,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (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 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:45:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:45:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:45:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:45:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:45:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:45:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:45:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:45:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:45:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:45:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:45:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:45:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:45:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 10:45:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:45:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:45:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:45:29,806 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:45:29,807 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:45:29,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:29 BoogieIcfgContainer [2019-11-07 10:45:29,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:45:29,809 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:45:29,809 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:45:29,809 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:45:29,810 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:29" (1/1) ... [2019-11-07 10:45:29,811 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:45:29,836 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:45:29,836 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:45:29,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:45:29,852 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:45:29,854 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:45:39,474 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:45:41,398 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:45:41,525 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:45:41,544 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:45:41,588 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:45:41,604 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:45:42,070 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:45:42,337 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:42,560 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-07 10:45:42,668 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-11-07 10:45:42,871 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 185 [2019-11-07 10:45:43,161 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-07 10:45:43,386 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:45:43,577 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:43,849 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-11-07 10:45:44,017 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-07 10:45:44,392 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-07 10:45:44,841 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-07 10:45:45,068 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-11-07 10:45:45,313 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-11-07 10:45:45,565 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-11-07 10:45:45,699 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:45:45,706 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 145 for LOIs [2019-11-07 10:45:46,016 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:45:46,026 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:45:46,027 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:45:46,041 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:45:46,042 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:45:46,044 INFO L168 Benchmark]: Toolchain (without parser) took 18680.55 ms. Allocated memory was 144.2 MB in the beginning and 432.5 MB in the end (delta: 288.4 MB). Free memory was 101.1 MB in the beginning and 142.9 MB in the end (delta: -41.9 MB). Peak memory consumption was 246.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,045 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.87 ms. Allocated memory was 144.2 MB in the beginning and 198.7 MB in the end (delta: 54.5 MB). Free memory was 100.8 MB in the beginning and 166.7 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,055 INFO L168 Benchmark]: Boogie Preprocessor took 127.45 ms. Allocated memory is still 198.7 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,058 INFO L168 Benchmark]: RCFGBuilder took 1655.68 ms. Allocated memory was 198.7 MB in the beginning and 230.7 MB in the end (delta: 32.0 MB). Free memory was 162.6 MB in the beginning and 150.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,059 INFO L168 Benchmark]: Sifa took 16233.03 ms. Allocated memory was 230.7 MB in the beginning and 432.5 MB in the end (delta: 201.9 MB). Free memory was 150.8 MB in the beginning and 142.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 209.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:46,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.87 ms. Allocated memory was 144.2 MB in the beginning and 198.7 MB in the end (delta: 54.5 MB). Free memory was 100.8 MB in the beginning and 166.7 MB in the end (delta: -65.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.45 ms. Allocated memory is still 198.7 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1655.68 ms. Allocated memory was 198.7 MB in the beginning and 230.7 MB in the end (delta: 32.0 MB). Free memory was 162.6 MB in the beginning and 150.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * Sifa took 16233.03 ms. Allocated memory was 230.7 MB in the beginning and 432.5 MB in the end (delta: 201.9 MB). Free memory was 150.8 MB in the beginning and 142.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 209.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16192, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 31, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 100, TOOLS_POST_TIME[ms]: 11674, TOOLS_POST_CALL_APPLICATIONS: 47, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 40, TOOLS_POST_RETURN_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_APPLICATIONS: 186, TOOLS_QUANTIFIERELIM_TIME[ms]: 11814, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11609, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 179, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 3687, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 377, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 100, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2261, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2261, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 40, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11766, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11765, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 394, DAG_COMPRESSION_RETAINED_NODES: 168 - UnprovableResult [Line: 130]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 380#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= |#t~string41.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string32.offset|) (= |#t~string43.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= 0 |#t~string7.offset|) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string5.offset|) (<= |#t~string43.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (= |#t~string41.offset| 0) (= |#t~string37.offset| 0) (<= 0 |#t~string34.offset|) (= |#t~string45.offset| 0) (<= 0 ~methAndRunningLastTime~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...