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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:39:38,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:39:38,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:39:38,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:39:38,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:39:38,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:39:38,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:39:38,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:39:38,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:39:38,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:39:38,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:39:38,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:39:38,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:39:38,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:39:38,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:39:38,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:39:38,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:39:38,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:39:38,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:39:38,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:39:38,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:39:38,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:39:38,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:39:38,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:39:38,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:39:38,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:39:38,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:39:38,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:39:38,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:39:38,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:39:38,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:39:38,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:39:38,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:39:38,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:39:38,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:39:38,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:39:38,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:39:38,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:39:38,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:39:38,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:39:38,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:39:38,130 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 [2019-09-20 16:39:38,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:39:38,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:39:38,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:39:38,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:39:38,159 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:39:38,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:39:38,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:39:38,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:39:38,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:39:38,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:39:38,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:39:38,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:39:38,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:39:38,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:39:38,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:39:38,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:39:38,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:39:38,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:39:38,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:39:38,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:39:38,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:39:38,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:39:38,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:39:38,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:39:38,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:39:38,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:39:38,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:39:38,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:39:38,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:39:38,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:39:38,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:39:38,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:39:38,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:39:38,220 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:39:38,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-20 16:39:38,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1af69a4f/da03c7d4d4d7440a85d3f5e0299f7a4e/FLAGfb5a56f65 [2019-09-20 16:39:38,774 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:39:38,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-20 16:39:38,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1af69a4f/da03c7d4d4d7440a85d3f5e0299f7a4e/FLAGfb5a56f65 [2019-09-20 16:39:39,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1af69a4f/da03c7d4d4d7440a85d3f5e0299f7a4e [2019-09-20 16:39:39,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:39:39,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:39:39,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:39,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:39:39,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:39:39,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:39,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280d80c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39, skipping insertion in model container [2019-09-20 16:39:39,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:39,325 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:39:39,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:39:39,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:39,783 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:39:39,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:39:39,936 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:39:39,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39 WrapperNode [2019-09-20 16:39:39,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:39:39,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:39:39,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:39:39,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:39:39,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:39,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:39,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:39,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:40,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:40,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:40,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (1/1) ... [2019-09-20 16:39:40,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:39:40,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:39:40,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:39:40,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:39:40,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:39:39" (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 [2019-09-20 16:39:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:39:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:39:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:39:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:39:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:39:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:39:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:39:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:39:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:39:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:39:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:39:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:39:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:39:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:39:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:39:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 16:39:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:39:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:39:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:39:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:39:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:39:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:39:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:39:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:39:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:39:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:39:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:39:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:39:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:39:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:39:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:39:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:39:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:39:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 16:39:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:39:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:39:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:39:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:39:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:39:41,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:39:41,900 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:39:41,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:41 BoogieIcfgContainer [2019-09-20 16:39:41,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:39:41,904 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:39:41,904 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:39:41,904 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:39:41,906 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:39:41" (1/1) ... [2019-09-20 16:39:41,906 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:39:41,954 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:39:41,955 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:39:41,967 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:39:41,980 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:39:41,981 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:40:05,232 WARN L191 SmtUtils]: Spent 14.45 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:40:07,123 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:40:11,004 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:40:11,277 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:40:11,288 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-20 16:40:11,348 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-20 16:40:11,356 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-20 16:40:12,256 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2019-09-20 16:40:13,176 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2019-09-20 16:40:13,515 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 16:40:14,641 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-20 16:40:15,527 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-20 16:40:16,380 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-20 16:40:16,681 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:40:17,620 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-20 16:40:17,924 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:40:18,207 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:40:18,504 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:40:18,797 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:40:19,642 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2019-09-20 16:40:20,451 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2019-09-20 16:40:20,473 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:40:20,475 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-20 16:40:21,109 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-20 16:40:21,738 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-20 16:40:21,959 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:40:21,962 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 99 for LOIs [2019-09-20 16:40:21,968 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-20 16:40:22,178 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:40:22,178 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:40:22,179 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:40:22,181 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 257#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-20 16:40:22,194 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:40:22,194 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:40:22,196 INFO L168 Benchmark]: Toolchain (without parser) took 42888.54 ms. Allocated memory was 134.2 MB in the beginning and 522.2 MB in the end (delta: 388.0 MB). Free memory was 87.9 MB in the beginning and 458.9 MB in the end (delta: -371.0 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:22,197 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:40:22,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.19 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.7 MB in the beginning and 164.9 MB in the end (delta: -77.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:22,199 INFO L168 Benchmark]: Boogie Preprocessor took 95.06 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:22,199 INFO L168 Benchmark]: RCFGBuilder took 1869.54 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 139.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:40:22,200 INFO L168 Benchmark]: Sifa took 40290.71 ms. Allocated memory was 227.5 MB in the beginning and 522.2 MB in the end (delta: 294.6 MB). Free memory was 139.5 MB in the beginning and 458.9 MB in the end (delta: -319.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:40:22,204 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.19 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.7 MB in the beginning and 164.9 MB in the end (delta: -77.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.06 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1869.54 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 139.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * Sifa took 40290.71 ms. Allocated memory was 227.5 MB in the beginning and 522.2 MB in the end (delta: 294.6 MB). Free memory was 139.5 MB in the beginning and 458.9 MB in the end (delta: -319.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 40227, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 165, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 107, TOOLS_POST_TIME[ms]: 28990, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 124, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_APPLICATIONS: 197, TOOLS_QUANTIFIERELIM_TIME[ms]: 29086, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28947, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 167, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 56, DOMAIN_JOIN_TIME[ms]: 10855, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 58, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6246, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6245, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29500, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29500, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 34, DAG_COMPRESSION_PROCESSED_NODES: 369, DAG_COMPRESSION_RETAINED_NODES: 186 - UnprovableResult [Line: 44]: 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 257#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string27.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string69.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...