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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:25:39,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:25:39,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:25:39,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:25:39,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:25:39,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:25:39,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:25:39,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:25:39,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:25:39,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:25:39,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:25:39,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:25:39,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:25:39,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:25:39,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:25:39,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:25:39,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:25:39,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:25:39,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:25:39,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:25:39,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:25:39,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:25:39,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:25:39,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:25:39,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:25:39,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:25:39,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:25:39,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:25:39,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:25:39,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:25:39,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:25:39,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:25:39,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:25:39,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:25:39,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:25:39,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:25:39,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:25:39,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:25:39,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:25:39,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:25:39,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:25:39,275 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 [2019-09-06 11:25:39,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:25:39,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:25:39,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:25:39,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:25:39,291 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:25:39,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:25:39,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:25:39,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:25:39,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:25:39,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:25:39,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:25:39,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:25:39,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:25:39,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:25:39,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:25:39,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:25:39,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:25:39,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:25:39,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:25:39,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:25:39,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:25:39,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:25:39,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:25:39,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:25:39,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:25:39,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:25:39,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:25:39,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:25:39,352 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:25:39,352 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2019-09-06 11:25:39,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a011c0b2e/93accfdfe8f94539b298fdf987ab5dcf/FLAG61da0e361 [2019-09-06 11:25:40,014 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:25:40,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2019-09-06 11:25:40,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a011c0b2e/93accfdfe8f94539b298fdf987ab5dcf/FLAG61da0e361 [2019-09-06 11:25:40,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a011c0b2e/93accfdfe8f94539b298fdf987ab5dcf [2019-09-06 11:25:40,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:25:40,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:25:40,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:25:40,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:25:40,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:25:40,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:25:40" (1/1) ... [2019-09-06 11:25:40,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2051b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:40, skipping insertion in model container [2019-09-06 11:25:40,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:25:40" (1/1) ... [2019-09-06 11:25:40,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:25:40,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:25:40,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:25:40,871 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:25:40,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:25:41,004 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:25:41,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41 WrapperNode [2019-09-06 11:25:41,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:25:41,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:25:41,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:25:41,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:25:41,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (1/1) ... [2019-09-06 11:25:41,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:25:41,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:25:41,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:25:41,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:25:41,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:25:41" (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 [2019-09-06 11:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-06 11:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-06 11:25:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-06 11:25:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-06 11:25:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-06 11:25:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-06 11:25:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-06 11:25:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-06 11:25:41,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-06 11:25:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-06 11:25:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-06 11:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-06 11:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-06 11:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-06 11:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-06 11:25:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-06 11:25:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-06 11:25:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-06 11:25:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:25:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:25:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 11:25:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-06 11:25:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-06 11:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-06 11:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-06 11:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-06 11:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-06 11:25:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-06 11:25:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 11:25:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 11:25:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 11:25:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-06 11:25:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-06 11:25:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:25:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 11:25:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:25:42,395 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:25:42,396 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:25:42,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:25:42 BoogieIcfgContainer [2019-09-06 11:25:42,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:25:42,398 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:25:42,398 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:25:42,398 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:25:42,400 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:25:42" (1/1) ... [2019-09-06 11:25:42,400 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:25:42,425 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:25:42,425 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:25:42,436 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:25:42,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:25:42,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:25:42,566 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-06 11:25:42,613 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-06 11:25:42,617 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-06 11:25:44,345 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-06 11:25:44,347 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-06 11:25:44,406 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 101 for LOIs [2019-09-06 11:25:44,430 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 101 for LOIs [2019-09-06 11:25:44,432 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:25:44,432 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:25:44,436 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 654#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= 0 |#t~string73.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string26.offset| 0)) [2019-09-06 11:25:44,451 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:25:44,452 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:25:44,455 INFO L168 Benchmark]: Toolchain (without parser) took 4153.87 ms. Allocated memory was 140.5 MB in the beginning and 316.1 MB in the end (delta: 175.6 MB). Free memory was 85.6 MB in the beginning and 275.9 MB in the end (delta: -190.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 11:25:44,456 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 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. [2019-09-06 11:25:44,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.77 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 166.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:25:44,460 INFO L168 Benchmark]: Boogie Preprocessor took 129.67 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:25:44,461 INFO L168 Benchmark]: RCFGBuilder took 1262.25 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 194.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:25:44,467 INFO L168 Benchmark]: Sifa took 2054.40 ms. Allocated memory was 226.0 MB in the beginning and 316.1 MB in the end (delta: 90.2 MB). Free memory was 194.2 MB in the beginning and 275.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:25:44,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 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 703.77 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 166.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.67 ms. Allocated memory is still 200.8 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.25 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 194.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Sifa took 2054.40 ms. Allocated memory was 226.0 MB in the beginning and 316.1 MB in the end (delta: 90.2 MB). Free memory was 194.2 MB in the beginning and 275.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 8.4 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]: 2011, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 423, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 319, TOOLS_POST_TIME[ms]: 239, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 192, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME[ms]: 208, TOOLS_QUANTIFIERELIM_TIME[ms]: 461, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 160, DOMAIN_JOIN_TIME[ms]: 555, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 108, DOMAIN_ISSUBSETEQ_TIME[ms]: 276, DOMAIN_ISBOTTOM_APPLICATIONS: 103, DOMAIN_ISBOTTOM_TIME[ms]: 326, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1476, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1475, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1144, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 684, DAG_COMPRESSION_RETAINED_NODES: 274 - UnprovableResult [Line: 950]: 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 654#(and (<= |#t~string33.offset| 0) (<= 0 |#t~string35.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string71.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= 0 |#t~string48.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 ~pumpRunning~0) (<= 0 |#t~string73.offset|) (<= |#t~string50.offset| 0) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= 0 |#t~string71.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= |#t~string48.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string26.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...