java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:37:47,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:37:47,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:37:47,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:37:47,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:37:47,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:37:47,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:37:47,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:37:47,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:37:47,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:37:47,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:37:47,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:37:47,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:37:47,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:37:47,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:37:47,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:37:47,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:37:47,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:37:47,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:37:47,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:37:47,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:37:47,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:37:47,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:37:47,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:37:47,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:37:47,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:37:47,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:37:47,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:37:47,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:37:47,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:37:47,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:37:47,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:37:47,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:37:47,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:37:47,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:37:47,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:37:47,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:37:47,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:37:47,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:37:47,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:37:47,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:37:47,909 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 16:37:47,922 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:37:47,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:37:47,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:37:47,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:37:47,924 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:37:47,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:37:47,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:37:47,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:37:47,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:37:47,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:37:47,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:37:47,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:37:47,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:37:47,926 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:37:47,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:37:47,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:37:47,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:37:47,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:37:47,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:37:47,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:37:47,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:37:47,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:37:47,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:37:47,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:37:47,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:37:47,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:37:47,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:37:47,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:37:47,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> SIMPLIFY_DDA [2019-09-20 16:37:47,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:37:47,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:37:47,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:37:47,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:37:47,979 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:37:47,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-09-20 16:37:48,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdeb96bb/5a26d0ba67e940cfbe603358633a4c6d/FLAG2d6e85dcf [2019-09-20 16:37:48,609 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:37:48,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-09-20 16:37:48,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdeb96bb/5a26d0ba67e940cfbe603358633a4c6d/FLAG2d6e85dcf [2019-09-20 16:37:48,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdeb96bb/5a26d0ba67e940cfbe603358633a4c6d [2019-09-20 16:37:48,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:37:48,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:37:48,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:37:48,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:37:48,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:37:48,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:37:48" (1/1) ... [2019-09-20 16:37:48,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ade0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:48, skipping insertion in model container [2019-09-20 16:37:48,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:37:48" (1/1) ... [2019-09-20 16:37:48,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:37:48,963 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:37:49,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:37:49,516 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:37:49,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:37:49,637 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:37:49,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49 WrapperNode [2019-09-20 16:37:49,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:37:49,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:37:49,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:37:49,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:37:49,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (1/1) ... [2019-09-20 16:37:49,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:37:49,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:37:49,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:37:49,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:37:49,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:37:49" (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 16:37:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:37:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:37:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:37:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:37:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:37:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:37:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:37:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:37:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:37:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:37:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:37:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:37:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:37:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:37:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:37:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:37:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:37:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:37:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:37:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 16:37:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:37:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:37:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:37:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:37:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:37:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:37:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:37:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:37:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:37:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:37:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:37:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:37:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 16:37:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:37:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:37:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:37:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:37:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:37:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:37:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:37:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:37:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:37:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:37:51,399 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:37:51,400 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:37:51,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:37:51 BoogieIcfgContainer [2019-09-20 16:37:51,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:37:51,403 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:37:51,403 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:37:51,403 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:37:51,404 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:37:51" (1/1) ... [2019-09-20 16:37:51,405 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:37:51,433 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:37:51,433 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:37:51,448 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:37:51,457 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:37:51,459 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:38:15,009 WARN L191 SmtUtils]: Spent 14.38 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:38:16,831 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:38:20,930 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:38:21,214 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:38:21,230 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-20 16:38:21,287 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-20 16:38:21,291 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-20 16:38:22,292 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-20 16:38:22,616 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 16:38:23,965 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2019-09-20 16:38:24,842 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-20 16:38:25,131 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:38:26,101 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2019-09-20 16:38:26,931 WARN L191 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-20 16:38:27,772 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-20 16:38:28,067 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:38:28,380 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 16:38:28,393 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:38:28,395 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-20 16:38:29,053 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2019-09-20 16:38:29,285 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:38:29,511 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:38:29,512 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 99 for LOIs [2019-09-20 16:38:29,522 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 99 for LOIs [2019-09-20 16:38:29,734 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:38:29,735 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:38:29,736 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:38:29,738 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 333#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string14.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 0 |#t~string71.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)) [2019-09-20 16:38:29,754 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:38:29,755 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:38:29,757 INFO L168 Benchmark]: Toolchain (without parser) took 40860.68 ms. Allocated memory was 132.6 MB in the beginning and 498.1 MB in the end (delta: 365.4 MB). Free memory was 87.1 MB in the beginning and 303.4 MB in the end (delta: -216.3 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,759 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.90 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.9 MB in the beginning and 162.6 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,768 INFO L168 Benchmark]: Boogie Preprocessor took 94.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 158.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,770 INFO L168 Benchmark]: RCFGBuilder took 1669.07 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.4 MB in the beginning and 137.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,771 INFO L168 Benchmark]: Sifa took 38352.25 ms. Allocated memory was 223.3 MB in the beginning and 498.1 MB in the end (delta: 274.7 MB). Free memory was 137.2 MB in the beginning and 303.4 MB in the end (delta: -166.2 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:38:29,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.90 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.9 MB in the beginning and 162.6 MB in the end (delta: -75.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 158.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1669.07 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.4 MB in the beginning and 137.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 38352.25 ms. Allocated memory was 223.3 MB in the beginning and 498.1 MB in the end (delta: 274.7 MB). Free memory was 137.2 MB in the beginning and 303.4 MB in the end (delta: -166.2 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 38305, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 215, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 142, TOOLS_POST_TIME[ms]: 29451, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 127, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 262, TOOLS_QUANTIFIERELIM_TIME[ms]: 29555, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29399, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 8426, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME[ms]: 92, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4785, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4783, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30109, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30109, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 412, DAG_COMPRESSION_RETAINED_NODES: 218 - UnprovableResult [Line: 44]: 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 333#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string14.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= 0 |#t~string71.offset|) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...