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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:26:59,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:26:59,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:26:59,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:26:59,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:26:59,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:26:59,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:26:59,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:26:59,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:26:59,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:26:59,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:26:59,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:26:59,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:26:59,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:26:59,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:26:59,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:26:59,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:26:59,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:26:59,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:26:59,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:26:59,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:26:59,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:26:59,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:26:59,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:26:59,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:26:59,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:26:59,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:26:59,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:26:59,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:26:59,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:26:59,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:26:59,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:26:59,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:26:59,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:26:59,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:26:59,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:26:59,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:26:59,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:26:59,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:26:59,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:26:59,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:26:59,173 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 [2019-09-19 17:26:59,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:26:59,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:26:59,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:26:59,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:26:59,199 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:26:59,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:26:59,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:26:59,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:26:59,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:26:59,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:26:59,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:26:59,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:26:59,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:26:59,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:26:59,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:26:59,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:26:59,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:26:59,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:26:59,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:26:59,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:26:59,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:26:59,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:26:59,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:26:59,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:26:59,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:26:59,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:26:59,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:26:59,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:26:59,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:26:59,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:26:59,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:26:59,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:26:59,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:26:59,263 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:26:59,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-19 17:26:59,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba421942c/6159649f4df048b6aeb821406e2cd5e7/FLAGbab4f074f [2019-09-19 17:26:59,896 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:26:59,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product22.cil.c [2019-09-19 17:26:59,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba421942c/6159649f4df048b6aeb821406e2cd5e7/FLAGbab4f074f [2019-09-19 17:27:00,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba421942c/6159649f4df048b6aeb821406e2cd5e7 [2019-09-19 17:27:00,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:27:00,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:27:00,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:27:00,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:27:00,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:27:00,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2476905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00, skipping insertion in model container [2019-09-19 17:27:00,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:27:00,263 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:27:00,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:27:00,690 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:27:00,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:27:00,865 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:27:00,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00 WrapperNode [2019-09-19 17:27:00,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:27:00,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:27:00,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:27:00,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:27:00,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (1/1) ... [2019-09-19 17:27:00,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:27:00,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:27:00,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:27:00,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:27:00,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:00" (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 [2019-09-19 17:27:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:27:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:27:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:27:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:27:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:27:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:27:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:27:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:27:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:27:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:27:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:27:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:27:01,028 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:27:01,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:27:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:27:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:27:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:27:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:27:01,030 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 17:27:01,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:27:01,032 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 17:27:01,033 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 17:27:01,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 17:27:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:27:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:27:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:27:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:27:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:27:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:27:01,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:27:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:27:01,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:27:01,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:27:02,552 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:27:02,552 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:27:02,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:27:02 BoogieIcfgContainer [2019-09-19 17:27:02,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:27:02,555 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:27:02,555 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:27:02,555 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:27:02,557 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:27:02" (1/1) ... [2019-09-19 17:27:02,557 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:27:02,584 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:27:02,585 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:27:02,595 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:27:02,605 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:27:02,607 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:27:25,488 WARN L191 SmtUtils]: Spent 13.34 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 17:27:27,228 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:27:31,395 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 17:27:33,261 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:27:35,012 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:27:35,036 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:27:35,068 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-19 17:27:35,076 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-19 17:27:36,108 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 17:27:36,154 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 17:27:36,167 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 17:27:36,175 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-19 17:27:36,181 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:27:36,182 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:27:36,184 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 640#(= ~switchedOnBeforeTS~0 0) [2019-09-19 17:27:36,196 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:27:36,196 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:27:36,198 INFO L168 Benchmark]: Toolchain (without parser) took 36010.58 ms. Allocated memory was 140.0 MB in the beginning and 439.9 MB in the end (delta: 299.9 MB). Free memory was 86.3 MB in the beginning and 310.6 MB in the end (delta: -224.3 MB). Peak memory consumption was 75.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,199 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.74 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 165.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,201 INFO L168 Benchmark]: Boogie Preprocessor took 83.37 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,202 INFO L168 Benchmark]: RCFGBuilder took 1604.21 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.3 MB in the beginning and 146.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,203 INFO L168 Benchmark]: Sifa took 33641.08 ms. Allocated memory was 224.9 MB in the beginning and 439.9 MB in the end (delta: 215.0 MB). Free memory was 146.0 MB in the beginning and 310.6 MB in the end (delta: -164.6 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:27:36,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.74 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 165.6 MB in the end (delta: -79.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.37 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1604.21 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 161.3 MB in the beginning and 146.0 MB in the end (delta: 15.3 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 33641.08 ms. Allocated memory was 224.9 MB in the beginning and 439.9 MB in the end (delta: 215.0 MB). Free memory was 146.0 MB in the beginning and 310.6 MB in the end (delta: -164.6 MB). Peak memory consumption was 50.4 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]: 33600, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 208, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 139, TOOLS_POST_TIME[ms]: 28741, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 53, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME[ms]: 28774, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28709, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 211, FLUID_YES_ANSWERS: 211, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 4360, DOMAIN_ALPHA_APPLICATIONS: 211, DOMAIN_ALPHA_TIME[ms]: 240, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 43, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 904, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 903, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32675, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32674, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 444, DAG_COMPRESSION_RETAINED_NODES: 205 - UnprovableResult [Line: 956]: 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 640#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...