/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:50:11,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:50:11,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:50:11,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:50:11,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:50:11,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:50:11,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:50:11,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:50:11,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:50:11,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:50:11,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:50:11,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:50:11,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:50:11,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:50:11,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:50:11,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:50:11,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:50:11,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:50:11,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:50:11,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:50:11,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:50:11,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:50:11,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:50:11,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:50:11,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:50:11,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:50:11,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:50:11,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:50:11,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:50:11,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:50:11,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:50:11,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:50:11,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:50:11,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:50:11,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:50:11,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:50:11,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:50:11,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:50:11,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:50:11,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:50:11,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:50:11,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 10:50:11,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:50:11,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:50:11,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:50:11,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:50:11,771 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:50:11,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:50:11,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:50:11,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:50:11,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:50:11,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:50:11,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:50:11,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:50:11,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:50:11,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:50:11,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:50:11,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:50:11,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:50:11,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:50:11,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:50:11,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:50:11,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:50:11,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:50:11,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:50:11,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:50:11,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:50:11,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:50:11,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:50:11,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:50:11,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:50:12,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:50:12,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:50:12,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:50:12,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:50:12,107 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:50:12,108 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-11-07 10:50:12,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d157795a/f944e9c8a4264f07af49c51cf85a9d87/FLAGe609da0f8 [2019-11-07 10:50:12,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:50:12,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2019-11-07 10:50:12,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d157795a/f944e9c8a4264f07af49c51cf85a9d87/FLAGe609da0f8 [2019-11-07 10:50:13,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d157795a/f944e9c8a4264f07af49c51cf85a9d87 [2019-11-07 10:50:13,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:50:13,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:50:13,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:50:13,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:50:13,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:50:13,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8571ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13, skipping insertion in model container [2019-11-07 10:50:13,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:50:13,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:50:13,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:50:13,590 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:50:13,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:50:13,705 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:50:13,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13 WrapperNode [2019-11-07 10:50:13,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:50:13,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:50:13,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:50:13,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:50:13,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... [2019-11-07 10:50:13,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:50:13,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:50:13,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:50:13,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:50:13,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:50:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:50:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:50:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:50:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:50:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:50:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:50:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:50:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:50:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:50:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:50:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:50:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:50:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:50:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:50:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:50:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:50:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:50:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:50:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:50:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:50:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:50:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:50:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:50:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:50:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:50:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:50:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:50:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:50:15,488 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:50:15,488 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:50:15,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:50:15 BoogieIcfgContainer [2019-11-07 10:50:15,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:50:15,492 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:50:15,493 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:50:15,493 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:50:15,494 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:50:15" (1/1) ... [2019-11-07 10:50:15,495 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:50:15,525 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:50:15,525 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:50:15,537 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:50:15,550 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:50:15,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:50:24,970 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:50:26,912 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:50:27,050 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:50:27,067 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:50:27,115 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:50:27,125 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:50:27,616 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:50:28,094 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:50:28,372 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 188 [2019-11-07 10:50:28,511 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-07 10:50:28,828 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2019-11-07 10:50:29,017 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 10:50:29,355 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:50:29,904 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-11-07 10:50:30,326 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-07 10:50:30,556 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:50:30,666 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:50:30,856 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-11-07 10:50:31,042 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:50:31,621 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 606 [2019-11-07 10:50:31,792 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 606 [2019-11-07 10:50:31,881 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:50:31,883 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:50:32,177 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-11-07 10:50:32,188 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-11-07 10:50:32,189 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:50:32,208 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:50:32,208 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:50:32,211 INFO L168 Benchmark]: Toolchain (without parser) took 19195.96 ms. Allocated memory was 142.6 MB in the beginning and 472.9 MB in the end (delta: 330.3 MB). Free memory was 106.1 MB in the beginning and 416.2 MB in the end (delta: -310.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:32,214 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 142.6 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:50:32,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.36 ms. Allocated memory was 142.6 MB in the beginning and 205.5 MB in the end (delta: 62.9 MB). Free memory was 105.9 MB in the beginning and 171.4 MB in the end (delta: -65.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:32,222 INFO L168 Benchmark]: Boogie Preprocessor took 89.21 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 167.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:32,230 INFO L168 Benchmark]: RCFGBuilder took 1696.40 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 167.6 MB in the beginning and 133.8 MB in the end (delta: 33.8 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:32,231 INFO L168 Benchmark]: Sifa took 16716.07 ms. Allocated memory was 230.7 MB in the beginning and 472.9 MB in the end (delta: 242.2 MB). Free memory was 133.8 MB in the beginning and 416.2 MB in the end (delta: -282.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:50:32,237 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 142.6 MB. Free memory was 125.8 MB in the beginning and 125.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.36 ms. Allocated memory was 142.6 MB in the beginning and 205.5 MB in the end (delta: 62.9 MB). Free memory was 105.9 MB in the beginning and 171.4 MB in the end (delta: -65.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.21 ms. Allocated memory is still 205.5 MB. Free memory was 171.4 MB in the beginning and 167.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1696.40 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 167.6 MB in the beginning and 133.8 MB in the end (delta: 33.8 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * Sifa took 16716.07 ms. Allocated memory was 230.7 MB in the beginning and 472.9 MB in the end (delta: 242.2 MB). Free memory was 133.8 MB in the beginning and 416.2 MB in the end (delta: -282.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16665, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 39, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 124, TOOLS_POST_TIME[ms]: 11472, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 170, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 234, TOOLS_QUANTIFIERELIM_TIME[ms]: 11620, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11414, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 223, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME[ms]: 4410, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 276, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 101, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2445, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2444, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 27, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11552, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11551, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 549, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 953]: 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 471#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string26.offset| 0) (= |#t~string20.offset| 0) (<= |#t~string14.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string3.offset|) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string16.offset| 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= |#t~string56.offset| 0) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (= |#t~string5.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string14.offset|) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...