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_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:34:47,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:34:47,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:34:47,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:34:47,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:34:47,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:34:47,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:34:47,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:34:47,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:34:47,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:34:47,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:34:47,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:34:47,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:34:47,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:34:47,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:34:47,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:34:47,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:34:47,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:34:47,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:34:47,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:34:47,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:34:47,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:34:47,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:34:47,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:34:47,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:34:47,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:34:47,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:34:47,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:34:47,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:34:47,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:34:47,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:34:47,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:34:47,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:34:47,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:34:47,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:34:47,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:34:47,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:34:47,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:34:47,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:34:47,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:34:47,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:34:47,181 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 16:34:47,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:34:47,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:34:47,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:34:47,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:34:47,198 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:34:47,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:34:47,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:34:47,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:34:47,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:34:47,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:34:47,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:34:47,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:34:47,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:34:47,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:34:47,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:34:47,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:34:47,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:34:47,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:34:47,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:34:47,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:34:47,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:34:47,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:34:47,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:34:47,203 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 16:34:47,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:34:47,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:34:47,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:34:47,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:34:47,253 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:34:47,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 16:34:47,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d1c193ac/5ad73c921ce94f55b9df3a887f9c021a/FLAG6f57f3d76 [2019-09-20 16:34:47,788 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:34:47,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 16:34:47,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d1c193ac/5ad73c921ce94f55b9df3a887f9c021a/FLAG6f57f3d76 [2019-09-20 16:34:48,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d1c193ac/5ad73c921ce94f55b9df3a887f9c021a [2019-09-20 16:34:48,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:34:48,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:34:48,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:34:48,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:34:48,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:34:48,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e46eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48, skipping insertion in model container [2019-09-20 16:34:48,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:34:48,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:34:48,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:34:48,673 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:34:48,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:34:48,791 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:34:48,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48 WrapperNode [2019-09-20 16:34:48,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:34:48,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:34:48,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:34:48,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:34:48,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (1/1) ... [2019-09-20 16:34:48,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:34:48,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:34:48,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:34:48,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:34:48,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:34:48" (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 16:34:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:34:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:34:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:34:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:34:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:34:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:34:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:34:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:34:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:34:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:34:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:34:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:34:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:34:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:34:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:34:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:34:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:34:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:34:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:34:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:34:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:34:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:34:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:34:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:34:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:34:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:34:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:34:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:34:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:34:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:34:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:34:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:34:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:34:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:34:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:34:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:34:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:34:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:34:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:34:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:34:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:34:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:34:50,444 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:34:50,445 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:34:50,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:34:50 BoogieIcfgContainer [2019-09-20 16:34:50,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:34:50,447 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:34:50,447 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:34:50,447 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:34:50,448 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:34:50" (1/1) ... [2019-09-20 16:34:50,449 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 16:34:50,478 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:34:50,479 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:34:50,488 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:34:50,496 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:34:50,498 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:35:14,298 WARN L191 SmtUtils]: Spent 13.60 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 16:35:15,845 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:35:19,523 WARN L191 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 16:35:19,814 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 16:35:19,832 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-20 16:35:19,902 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-20 16:35:19,928 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-20 16:35:20,944 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2019-09-20 16:35:21,917 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2019-09-20 16:35:22,273 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 16:35:23,535 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2019-09-20 16:35:24,461 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:35:25,353 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:35:25,678 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:35:26,692 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2019-09-20 16:35:27,014 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:27,305 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:28,223 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:35:29,132 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:35:30,010 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2019-09-20 16:35:30,312 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:30,613 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:30,945 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:35:31,281 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:35:31,577 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:31,854 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:35:31,857 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:35:31,859 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 109 for LOIs [2019-09-20 16:35:32,571 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2019-09-20 16:35:32,800 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:35:32,802 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 103 for LOIs [2019-09-20 16:35:32,810 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-20 16:35:33,061 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 16:35:33,062 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:35:33,063 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:35:33,065 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 293#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string39.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:35:33,074 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:35:33,075 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:35:33,077 INFO L168 Benchmark]: Toolchain (without parser) took 44965.93 ms. Allocated memory was 131.1 MB in the beginning and 573.0 MB in the end (delta: 442.0 MB). Free memory was 86.2 MB in the beginning and 354.3 MB in the end (delta: -268.1 MB). Peak memory consumption was 173.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,077 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.70 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,079 INFO L168 Benchmark]: Boogie Preprocessor took 80.08 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 159.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,080 INFO L168 Benchmark]: RCFGBuilder took 1573.39 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.7 MB in the beginning and 140.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,081 INFO L168 Benchmark]: Sifa took 42628.35 ms. Allocated memory was 219.2 MB in the beginning and 573.0 MB in the end (delta: 353.9 MB). Free memory was 140.1 MB in the beginning and 354.3 MB in the end (delta: -214.2 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:35:33,085 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.70 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 163.6 MB in the end (delta: -77.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.08 ms. Allocated memory is still 198.7 MB. Free memory was 163.6 MB in the beginning and 159.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1573.39 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 159.7 MB in the beginning and 140.1 MB in the end (delta: 19.6 MB). Peak memory consumption was 94.0 MB. Max. memory is 7.1 GB. * Sifa took 42628.35 ms. Allocated memory was 219.2 MB in the beginning and 573.0 MB in the end (delta: 353.9 MB). Free memory was 140.1 MB in the beginning and 354.3 MB in the end (delta: -214.2 MB). Peak memory consumption was 139.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 42587, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 188, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 119, TOOLS_POST_TIME[ms]: 29016, TOOLS_POST_CALL_APPLICATIONS: 58, TOOLS_POST_CALL_TIME[ms]: 156, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 57, TOOLS_QUANTIFIERELIM_APPLICATIONS: 227, TOOLS_QUANTIFIERELIM_TIME[ms]: 29149, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28963, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 190, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 62, DOMAIN_JOIN_TIME[ms]: 13102, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 34, DOMAIN_ISBOTTOM_TIME[ms]: 98, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6746, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6746, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 29615, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29615, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 442, DAG_COMPRESSION_RETAINED_NODES: 201 - UnprovableResult [Line: 650]: 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 293#(and (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (<= |#t~string39.offset| 0) (<= |#t~string57.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string57.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...