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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:55:43,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:55:43,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:55:44,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:55:44,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:55:44,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:55:44,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:55:44,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:55:44,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:55:44,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:55:44,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:55:44,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:55:44,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:55:44,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:55:44,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:55:44,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:55:44,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:55:44,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:55:44,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:55:44,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:55:44,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:55:44,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:55:44,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:55:44,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:55:44,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:55:44,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:55:44,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:55:44,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:55:44,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:55:44,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:55:44,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:55:44,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:55:44,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:55:44,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:55:44,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:55:44,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:55:44,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:55:44,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:55:44,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:55:44,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:55:44,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:55:44,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 06:55:44,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:55:44,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:55:44,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:55:44,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:55:44,095 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:55:44,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:55:44,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:55:44,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:55:44,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:55:44,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:55:44,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:55:44,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:55:44,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:55:44,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:55:44,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:55:44,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:55:44,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:55:44,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:55:44,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:55:44,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:55:44,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:55:44,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:55:44,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:55:44,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:55:44,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:55:44,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:55:44,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:55:44,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:55:44,101 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 [2019-10-15 06:55:44,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:55:44,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:55:44,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:55:44,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:55:44,421 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:55:44,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-10-15 06:55:44,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fdb5313/48164cfca2124875883012b2a42564b9/FLAGb56324c8c [2019-10-15 06:55:45,064 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:55:45,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-10-15 06:55:45,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fdb5313/48164cfca2124875883012b2a42564b9/FLAGb56324c8c [2019-10-15 06:55:45,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21fdb5313/48164cfca2124875883012b2a42564b9 [2019-10-15 06:55:45,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:55:45,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:55:45,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:55:45,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:55:45,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:55:45,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:45,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411accdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45, skipping insertion in model container [2019-10-15 06:55:45,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:45,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:55:45,453 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:55:45,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:55:45,853 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:55:45,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:55:45,998 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:55:45,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45 WrapperNode [2019-10-15 06:55:45,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:55:46,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:55:46,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:55:46,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:55:46,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... [2019-10-15 06:55:46,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:55:46,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:55:46,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:55:46,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:55:46,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:55:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:55:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:55:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:55:46,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:55:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:55:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:55:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:55:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:55:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:55:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:55:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:55:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 06:55:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:55:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:55:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:55:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:55:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:55:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:55:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:55:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:55:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:55:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:55:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:55:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 06:55:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:55:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:55:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:55:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:55:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:55:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:55:47,845 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:55:47,845 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:55:47,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:47 BoogieIcfgContainer [2019-10-15 06:55:47,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:55:47,848 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:55:47,848 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:55:47,848 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:55:47,849 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:55:47" (1/1) ... [2019-10-15 06:55:47,850 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 [2019-10-15 06:55:47,894 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:55:47,898 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:55:47,914 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:55:47,928 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:55:47,931 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:55:58,033 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 06:55:59,755 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:55:59,910 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:56:00,048 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:56:00,190 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 06:56:00,424 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 06:56:00,442 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-15 06:56:00,498 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-15 06:56:00,520 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-15 06:56:00,779 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-15 06:56:00,963 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-15 06:56:01,765 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2019-10-15 06:56:02,420 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 593 [2019-10-15 06:56:02,776 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2019-10-15 06:56:03,087 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2019-10-15 06:56:03,388 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2019-10-15 06:56:03,640 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2019-10-15 06:56:04,620 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 06:56:06,764 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 06:56:06,894 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:56:06,898 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-10-15 06:56:07,217 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-10-15 06:56:07,228 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-10-15 06:56:07,300 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:56:07,311 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:56:07,312 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:56:07,313 INFO L168 Benchmark]: Toolchain (without parser) took 21929.66 ms. Allocated memory was 138.4 MB in the beginning and 623.4 MB in the end (delta: 485.0 MB). Free memory was 101.6 MB in the beginning and 218.6 MB in the end (delta: -117.0 MB). Peak memory consumption was 367.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:56:07,314 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:56:07,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 168.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:56:07,316 INFO L168 Benchmark]: Boogie Preprocessor took 91.05 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 164.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:56:07,317 INFO L168 Benchmark]: RCFGBuilder took 1756.44 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 140.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:56:07,318 INFO L168 Benchmark]: Sifa took 19464.25 ms. Allocated memory was 235.9 MB in the beginning and 623.4 MB in the end (delta: 387.4 MB). Free memory was 140.8 MB in the beginning and 218.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 309.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:56:07,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 612.14 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 168.8 MB in the end (delta: -67.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.05 ms. Allocated memory is still 202.4 MB. Free memory was 168.8 MB in the beginning and 164.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1756.44 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 140.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Sifa took 19464.25 ms. Allocated memory was 235.9 MB in the beginning and 623.4 MB in the end (delta: 387.4 MB). Free memory was 140.8 MB in the beginning and 218.6 MB in the end (delta: -77.8 MB). Peak memory consumption was 309.6 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]: 19406, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 224, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 11997, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 146, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 271, TOOLS_QUANTIFIERELIM_TIME[ms]: 12125, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11899, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 228, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 6566, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 231, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 165, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3132, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3131, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12719, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12718, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 457, DAG_COMPRESSION_RETAINED_NODES: 218 - 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 722#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string73.offset| 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string24.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string26.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (<= 0 |#t~string73.offset|) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= |#t~string26.offset| 0) (= |#t~string23.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string56.offset| 0) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string36.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...