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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:12:38,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:12:38,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:12:38,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:12:38,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:12:38,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:12:38,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:12:38,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:12:38,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:12:38,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:12:38,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:12:38,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:12:38,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:12:38,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:12:38,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:12:38,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:12:38,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:12:38,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:12:38,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:12:38,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:12:38,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:12:38,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:12:38,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:12:38,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:12:38,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:12:38,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:12:38,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:12:38,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:12:38,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:12:38,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:12:38,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:12:38,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:12:38,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:12:38,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:12:38,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:12:38,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:12:38,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:12:38,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:12:38,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:12:38,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:12:38,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:12:38,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:12:38,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:12:38,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:12:38,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:12:38,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:12:38,702 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:12:38,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:12:38,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:12:38,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:12:38,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:12:38,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:12:38,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:12:38,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:12:38,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:12:38,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:12:38,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:12:38,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:12:38,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:12:38,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:12:38,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:12:38,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:12:38,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:12:38,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:12:38,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:12:38,707 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:12:38,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:12:38,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:12:38,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:12:38,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:12:38,754 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:12:38,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-09-20 15:12:38,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e54cc8b/f1e98e90cdb9448aad8be8320ce96190/FLAG9467e39e0 [2019-09-20 15:12:39,336 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:12:39,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product20.cil.c [2019-09-20 15:12:39,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e54cc8b/f1e98e90cdb9448aad8be8320ce96190/FLAG9467e39e0 [2019-09-20 15:12:39,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e54cc8b/f1e98e90cdb9448aad8be8320ce96190 [2019-09-20 15:12:39,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:12:39,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:12:39,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:39,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:12:39,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:12:39,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:39" (1/1) ... [2019-09-20 15:12:39,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f0ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:39, skipping insertion in model container [2019-09-20 15:12:39,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:12:39" (1/1) ... [2019-09-20 15:12:39,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:12:39,698 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:12:40,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:40,140 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:12:40,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:12:40,302 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:12:40,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40 WrapperNode [2019-09-20 15:12:40,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:12:40,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:12:40,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:12:40,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:12:40,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... [2019-09-20 15:12:40,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:12:40,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:12:40,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:12:40,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:12:40,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:12:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:12:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:12:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:12:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:12:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:12:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:12:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:12:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:12:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:12:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:12:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:12:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:12:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:12:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:12:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:12:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:12:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:12:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:12:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:12:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:12:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:12:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:12:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:12:41,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:12:41,881 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:12:41,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:41 BoogieIcfgContainer [2019-09-20 15:12:41,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:12:41,883 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:12:41,883 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:12:41,884 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:12:41,885 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:12:41" (1/1) ... [2019-09-20 15:12:41,885 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:12:41,914 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:12:41,914 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:12:41,922 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:12:41,931 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:12:41,932 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:12:51,151 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:12:51,176 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:12:51,217 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:12:51,231 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:12:54,157 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 15:12:54,172 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:12:54,179 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-20 15:12:54,182 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-20 15:12:54,183 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:12:54,183 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:12:54,186 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1380#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:12:54,205 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:12:54,206 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:12:54,210 INFO L168 Benchmark]: Toolchain (without parser) took 14567.64 ms. Allocated memory was 136.3 MB in the beginning and 422.6 MB in the end (delta: 286.3 MB). Free memory was 82.5 MB in the beginning and 274.5 MB in the end (delta: -191.9 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,212 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.23 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 82.3 MB in the beginning and 161.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,216 INFO L168 Benchmark]: Boogie Preprocessor took 102.03 ms. Allocated memory is still 197.7 MB. Free memory was 161.1 MB in the beginning and 156.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,223 INFO L168 Benchmark]: RCFGBuilder took 1477.37 ms. Allocated memory was 197.7 MB in the beginning and 215.0 MB in the end (delta: 17.3 MB). Free memory was 156.5 MB in the beginning and 138.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,224 INFO L168 Benchmark]: Sifa took 12322.58 ms. Allocated memory was 215.0 MB in the beginning and 422.6 MB in the end (delta: 207.6 MB). Free memory was 138.0 MB in the beginning and 274.5 MB in the end (delta: -136.5 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:12:54,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.23 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 82.3 MB in the beginning and 161.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.03 ms. Allocated memory is still 197.7 MB. Free memory was 161.1 MB in the beginning and 156.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1477.37 ms. Allocated memory was 197.7 MB in the beginning and 215.0 MB in the end (delta: 17.3 MB). Free memory was 156.5 MB in the beginning and 138.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. * Sifa took 12322.58 ms. Allocated memory was 215.0 MB in the beginning and 422.6 MB in the end (delta: 207.6 MB). Free memory was 138.0 MB in the beginning and 274.5 MB in the end (delta: -136.5 MB). Peak memory consumption was 71.1 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]: 12273, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 701, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 469, TOOLS_POST_TIME[ms]: 9696, TOOLS_POST_CALL_APPLICATIONS: 188, TOOLS_POST_CALL_TIME[ms]: 919, TOOLS_POST_RETURN_APPLICATIONS: 179, TOOLS_POST_RETURN_TIME[ms]: 589, TOOLS_QUANTIFIERELIM_APPLICATIONS: 836, TOOLS_QUANTIFIERELIM_TIME[ms]: 10881, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9164, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 732, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 215, DOMAIN_JOIN_TIME[ms]: 100, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 31, DOMAIN_ISSUBSETEQ_TIME[ms]: 158, DOMAIN_ISBOTTOM_APPLICATIONS: 125, DOMAIN_ISBOTTOM_TIME[ms]: 568, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2483, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2482, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 31, CALL_SUMMARIZER_APPLICATIONS: 179, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9259, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9258, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 643, DAG_COMPRESSION_RETAINED_NODES: 337 - UnprovableResult [Line: 595]: 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 1380#(and (<= ~pumpRunning~0 2147483647) (<= ~waterLevel~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (not (= 2 ~waterLevel~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...