java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:41:26,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:41:26,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:41:26,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:41:26,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:41:26,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:41:26,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:41:26,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:41:26,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:41:26,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:41:26,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:41:26,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:41:26,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:41:26,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:41:26,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:41:26,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:41:26,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:41:26,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:41:26,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:41:26,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:41:26,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:41:26,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:41:26,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:41:26,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:41:26,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:41:26,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:41:26,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:41:26,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:41:26,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:41:26,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:41:26,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:41:26,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:41:26,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:41:26,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:41:26,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:41:26,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:41:26,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:41:26,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:41:26,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:41:26,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:41:26,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:41:26,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 22:41:26,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:41:26,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:41:26,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:41:26,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:41:26,462 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:41:26,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:41:26,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:41:26,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:41:26,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:41:26,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:41:26,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:41:26,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:41:26,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:41:26,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:41:26,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:41:26,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:41:26,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:41:26,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:41:26,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:41:26,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:41:26,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:41:26,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:41:26,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:41:26,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:41:26,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:41:26,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:41:26,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:41:26,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:41:26,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:41:26,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:41:26,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:41:26,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:41:26,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:41:26,552 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:41:26,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-09-19 22:41:26,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2cba2a3/4f85de2cd8a847f0807605be8f53da89/FLAGcb1820789 [2019-09-19 22:41:27,135 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:41:27,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-09-19 22:41:27,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2cba2a3/4f85de2cd8a847f0807605be8f53da89/FLAGcb1820789 [2019-09-19 22:41:27,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2cba2a3/4f85de2cd8a847f0807605be8f53da89 [2019-09-19 22:41:27,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:41:27,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:41:27,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:41:27,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:41:27,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:41:27,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:41:27" (1/1) ... [2019-09-19 22:41:27,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b6bacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:27, skipping insertion in model container [2019-09-19 22:41:27,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:41:27" (1/1) ... [2019-09-19 22:41:27,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:41:27,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:41:27,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:41:28,016 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:41:28,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:41:28,156 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:41:28,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28 WrapperNode [2019-09-19 22:41:28,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:41:28,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:41:28,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:41:28,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:41:28,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... [2019-09-19 22:41:28,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:41:28,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:41:28,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:41:28,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:41:28,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:41:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:41:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:41:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:41:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:41:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:41:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:41:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:41:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:41:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:41:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:41:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:41:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:41:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:41:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:41:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:41:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 22:41:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:41:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:41:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:41:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:41:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:41:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:41:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:41:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:41:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:41:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:41:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:41:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:41:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:41:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:41:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:41:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:41:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:41:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 22:41:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:41:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:41:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:41:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:41:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:41:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:41:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:41:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:41:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:41:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:41:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 22:41:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:41:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:41:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:41:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:41:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:41:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:41:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:41:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:41:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:41:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:41:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:41:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:41:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:41:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:41:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 22:41:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:41:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:41:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:41:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:41:29,931 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:41:29,931 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:41:29,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:29 BoogieIcfgContainer [2019-09-19 22:41:29,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:41:29,935 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:41:29,935 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:41:29,935 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:41:29,936 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:41:29" (1/1) ... [2019-09-19 22:41:29,937 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:41:29,969 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:41:29,970 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:41:29,980 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:41:29,990 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:41:29,992 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:41:54,548 WARN L191 SmtUtils]: Spent 14.42 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 22:41:56,074 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:41:59,931 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 22:42:01,724 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:42:03,518 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 22:42:03,531 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 22:42:03,602 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 22:42:03,610 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 22:42:20,481 WARN L191 SmtUtils]: Spent 16.73 s on a formula simplification. DAG size of input: 451 DAG size of output: 445 [2019-09-19 22:42:25,962 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-19 22:42:42,466 WARN L191 SmtUtils]: Spent 16.50 s on a formula simplification. DAG size of input: 451 DAG size of output: 445 [2019-09-19 22:42:47,961 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-19 22:43:06,242 WARN L191 SmtUtils]: Spent 18.20 s on a formula simplification. DAG size of input: 464 DAG size of output: 461 [2019-09-19 22:43:15,288 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 22:43:24,481 WARN L191 SmtUtils]: Spent 9.19 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 22:43:25,137 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:25,295 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:25,571 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2019-09-19 22:43:25,789 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:26,389 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:26,595 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:26,719 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:26,887 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:27,172 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:27,376 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:28,529 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:28,721 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:28,861 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:29,016 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:29,290 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:29,496 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:29,740 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-19 22:43:29,850 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:30,121 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:30,444 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:30,610 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-19 22:43:30,876 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-19 22:43:31,080 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-09-19 22:43:31,392 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 22:43:31,498 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 22:43:31,715 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 22:43:31,821 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 22:43:32,066 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2019-09-19 22:43:32,437 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-19 22:43:32,478 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-19 22:43:32,779 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-09-19 22:43:32,990 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-19 22:43:33,223 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-19 22:43:33,343 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 22:43:33,444 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 11 for LOIs [2019-09-19 22:43:33,449 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-19 22:43:33,494 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:43:33,494 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:43:33,496 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 519#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-19 22:43:33,510 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:43:33,510 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:43:33,513 INFO L168 Benchmark]: Toolchain (without parser) took 126044.53 ms. Allocated memory was 134.7 MB in the beginning and 184.0 MB in the end (delta: 49.3 MB). Free memory was 89.7 MB in the beginning and 69.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,519 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.44 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 89.5 MB in the beginning and 163.6 MB in the end (delta: -74.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,523 INFO L168 Benchmark]: Boogie Preprocessor took 91.79 ms. Allocated memory is still 200.8 MB. Free memory was 163.6 MB in the beginning and 159.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,525 INFO L168 Benchmark]: RCFGBuilder took 1685.44 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 159.3 MB in the beginning and 146.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,526 INFO L168 Benchmark]: Sifa took 123575.54 ms. Allocated memory was 228.6 MB in the beginning and 184.0 MB in the end (delta: -44.6 MB). Free memory was 146.5 MB in the beginning and 69.9 MB in the end (delta: 76.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:43:33,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.44 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 89.5 MB in the beginning and 163.6 MB in the end (delta: -74.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.79 ms. Allocated memory is still 200.8 MB. Free memory was 163.6 MB in the beginning and 159.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1685.44 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 159.3 MB in the beginning and 146.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * Sifa took 123575.54 ms. Allocated memory was 228.6 MB in the beginning and 184.0 MB in the end (delta: -44.6 MB). Free memory was 146.5 MB in the beginning and 69.9 MB in the end (delta: 76.6 MB). Peak memory consumption was 32.1 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]: 123527, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 263, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 181, TOOLS_POST_TIME[ms]: 29949, TOOLS_POST_CALL_APPLICATIONS: 65, TOOLS_POST_CALL_TIME[ms]: 127, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME[ms]: 63, TOOLS_QUANTIFIERELIM_APPLICATIONS: 302, TOOLS_QUANTIFIERELIM_TIME[ms]: 30043, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29862, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 272, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 92519, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 490, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 200, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 86208, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 86207, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33998, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33997, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 59, DAG_COMPRESSION_PROCESSED_NODES: 468, DAG_COMPRESSION_RETAINED_NODES: 239 - UnprovableResult [Line: 82]: 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 519#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...