/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:47:46,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:47:46,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:47:46,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:47:46,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:47:46,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:47:46,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:47:46,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:47:46,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:47:46,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:47:46,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:47:46,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:47:46,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:47:46,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:47:46,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:47:46,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:47:46,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:47:46,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:47:46,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:47:46,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:47:46,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:47:46,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:47:46,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:47:46,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:47:46,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:47:46,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:47:46,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:47:46,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:47:46,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:47:46,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:47:46,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:47:46,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:47:46,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:47:46,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:47:46,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:47:46,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:47:46,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:47:46,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:47:46,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:47:46,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:47:46,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:47:46,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 10:47:46,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:47:46,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:47:46,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:47:46,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:47:46,172 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:47:46,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:47:46,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:47:46,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:47:46,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:47:46,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:47:46,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:47:46,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:47:46,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:47:46,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:47:46,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:47:46,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:47:46,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:47:46,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:47:46,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:47:46,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:47:46,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:47:46,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:47:46,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:47:46,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:47:46,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:47:46,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:47:46,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:47:46,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:47:46,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:47:46,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:47:46,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:47:46,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:47:46,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:47:46,467 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:47:46,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-11-07 10:47:46,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f36b235/4bea37ea801e47ad874bbfd88ce05bb8/FLAG881a5ee51 [2019-11-07 10:47:47,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:47:47,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-11-07 10:47:47,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f36b235/4bea37ea801e47ad874bbfd88ce05bb8/FLAG881a5ee51 [2019-11-07 10:47:47,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f36b235/4bea37ea801e47ad874bbfd88ce05bb8 [2019-11-07 10:47:47,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:47:47,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:47:47,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:47:47,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:47:47,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:47:47,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:47" (1/1) ... [2019-11-07 10:47:47,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fe9e6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:47, skipping insertion in model container [2019-11-07 10:47:47,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:47:47" (1/1) ... [2019-11-07 10:47:47,413 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:47:47,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:47:47,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:47:47,878 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:47:47,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:47:48,023 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:47:48,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48 WrapperNode [2019-11-07 10:47:48,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:47:48,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:47:48,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:47:48,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:47:48,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (1/1) ... [2019-11-07 10:47:48,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:47:48,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:47:48,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:47:48,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:47:48,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:47:48" (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 [2019-11-07 10:47:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:47:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:47:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:47:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:47:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:47:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:47:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:47:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:47:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:47:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:47:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:47:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:47:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:47:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:47:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:47:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:47:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:47:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:47:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:47:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:47:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:47:49,792 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:47:49,793 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:47:49,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:49 BoogieIcfgContainer [2019-11-07 10:47:49,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:47:49,796 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:47:49,796 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:47:49,797 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:47:49,798 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:47:49" (1/1) ... [2019-11-07 10:47:49,799 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:47:49,846 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:47:49,847 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:47:49,861 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:47:49,875 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:47:49,877 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:48:00,737 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:48:02,419 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:48:02,551 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:48:02,568 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-11-07 10:48:02,611 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-11-07 10:48:02,616 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-11-07 10:48:03,086 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2019-11-07 10:48:03,354 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-07 10:48:03,751 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 182 [2019-11-07 10:48:04,000 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-07 10:48:04,481 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-07 10:48:04,727 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 182 [2019-11-07 10:48:05,028 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-07 10:48:05,384 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-07 10:48:05,633 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2019-11-07 10:48:05,783 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:48:05,787 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 142 for LOIs [2019-11-07 10:48:06,151 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 131 for LOIs [2019-11-07 10:48:06,169 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:48:06,170 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:48:06,185 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:48:06,186 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:48:06,188 INFO L168 Benchmark]: Toolchain (without parser) took 18789.64 ms. Allocated memory was 145.8 MB in the beginning and 398.5 MB in the end (delta: 252.7 MB). Free memory was 103.0 MB in the beginning and 209.5 MB in the end (delta: -106.5 MB). Peak memory consumption was 146.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,188 INFO L168 Benchmark]: CDTParser took 1.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.44 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,190 INFO L168 Benchmark]: Boogie Preprocessor took 101.66 ms. Allocated memory is still 203.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,192 INFO L168 Benchmark]: RCFGBuilder took 1669.50 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 146.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,193 INFO L168 Benchmark]: Sifa took 16389.46 ms. Allocated memory was 235.4 MB in the beginning and 398.5 MB in the end (delta: 163.1 MB). Free memory was 146.0 MB in the beginning and 209.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:48:06,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.44 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.66 ms. Allocated memory is still 203.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1669.50 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.9 MB in the beginning and 146.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * Sifa took 16389.46 ms. Allocated memory was 235.4 MB in the beginning and 398.5 MB in the end (delta: 163.1 MB). Free memory was 146.0 MB in the beginning and 209.5 MB in the end (delta: -63.5 MB). Peak memory consumption was 99.5 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]: 16325, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 31, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 113, TOOLS_POST_TIME[ms]: 12663, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME[ms]: 141, TOOLS_POST_RETURN_APPLICATIONS: 47, TOOLS_POST_RETURN_TIME[ms]: 63, TOOLS_QUANTIFIERELIM_APPLICATIONS: 213, TOOLS_QUANTIFIERELIM_TIME[ms]: 12771, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12594, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 2817, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 401, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 91, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1705, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1704, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 47, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12788, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12788, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 398, DAG_COMPRESSION_RETAINED_NODES: 182 - UnprovableResult [Line: 860]: 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 405#(and (= |#t~string50.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string40.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (= ~pumpRunning~0 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (= |#t~string30.offset| 0) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string44.offset| 0) (= |#t~string24.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (<= 0 |#t~string29.offset|) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string24.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...