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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:56:58,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:56:58,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:56:58,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:56:58,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:56:58,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:56:58,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:56:58,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:56:58,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:56:58,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:56:58,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:56:58,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:56:58,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:56:58,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:56:58,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:56:58,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:56:58,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:56:58,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:56:58,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:56:58,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:56:58,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:56:58,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:56:58,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:56:58,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:56:58,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:56:58,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:56:58,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:56:58,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:56:58,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:56:58,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:56:58,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:56:59,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:56:59,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:56:59,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:56:59,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:56:59,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:56:59,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:56:59,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:56:59,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:56:59,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:56:59,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:56:59,007 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 [2019-10-15 06:56:59,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:56:59,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:56:59,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:56:59,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:56:59,044 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:56:59,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:56:59,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:56:59,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:56:59,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:56:59,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:56:59,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:56:59,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:56:59,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:56:59,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:56:59,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:56:59,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:56:59,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:56:59,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:56:59,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:56:59,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:56:59,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:56:59,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:56:59,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:56:59,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:56:59,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:56:59,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:56:59,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:56:59,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:56:59,051 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 [2019-10-15 06:56:59,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:56:59,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:56:59,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:56:59,316 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:56:59,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:56:59,317 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-15 06:56:59,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2678a87e4/baeba75052d449d5a77858831a1206fa/FLAG8064ac7d1 [2019-10-15 06:56:59,885 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:56:59,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-15 06:56:59,907 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2678a87e4/baeba75052d449d5a77858831a1206fa/FLAG8064ac7d1 [2019-10-15 06:57:00,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2678a87e4/baeba75052d449d5a77858831a1206fa [2019-10-15 06:57:00,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:57:00,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:57:00,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:00,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:57:00,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:57:00,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1e4fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00, skipping insertion in model container [2019-10-15 06:57:00,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:57:00,275 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:57:00,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:00,787 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:57:00,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:57:00,926 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:57:00,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00 WrapperNode [2019-10-15 06:57:00,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:57:00,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:57:00,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:57:00,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:57:00,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:00,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:01,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:01,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (1/1) ... [2019-10-15 06:57:01,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:57:01,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:57:01,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:57:01,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:57:01,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:57:00" (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 [2019-10-15 06:57:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:57:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:57:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:57:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:57:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:57:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:57:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:57:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:57:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:57:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:57:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:57:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:57:01,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:57:01,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:57:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:57:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:57:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:57:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:57:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:57:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:57:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:57:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:57:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:57:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:57:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:57:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:57:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:57:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:57:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:57:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:57:01,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:57:02,619 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:57:02,619 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:57:02,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:02 BoogieIcfgContainer [2019-10-15 06:57:02,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:57:02,623 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:57:02,623 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:57:02,623 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:57:02,624 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:57:02" (1/1) ... [2019-10-15 06:57:02,625 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 [2019-10-15 06:57:02,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:57:02,657 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:57:02,668 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:57:02,677 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:57:02,679 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:57:11,040 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:57:12,707 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:57:12,830 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:12,965 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:13,104 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:57:13,331 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:57:13,350 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:57:13,406 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:57:13,412 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:57:14,080 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-15 06:57:14,858 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-15 06:57:15,114 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-15 06:57:15,306 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2019-10-15 06:57:15,743 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-15 06:57:16,559 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-15 06:57:17,007 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-15 06:57:17,373 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-15 06:57:17,790 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-15 06:57:18,122 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 06:57:18,725 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-15 06:57:19,182 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-15 06:57:19,364 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 06:57:20,329 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-15 06:57:20,739 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-10-15 06:57:22,972 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-10-15 06:57:23,374 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 06:57:26,124 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 605 [2019-10-15 06:57:26,596 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:57:26,599 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-10-15 06:57:26,849 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-15 06:57:26,857 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-15 06:57:26,932 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:57:26,945 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:57:26,946 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:57:26,947 INFO L168 Benchmark]: Toolchain (without parser) took 26742.25 ms. Allocated memory was 139.5 MB in the beginning and 801.1 MB in the end (delta: 661.7 MB). Free memory was 102.8 MB in the beginning and 442.3 MB in the end (delta: -339.5 MB). Peak memory consumption was 322.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:26,948 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:57:26,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.99 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 171.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:26,950 INFO L168 Benchmark]: Boogie Preprocessor took 93.11 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:26,951 INFO L168 Benchmark]: RCFGBuilder took 1601.79 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 155.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:26,952 INFO L168 Benchmark]: Sifa took 24322.89 ms. Allocated memory was 236.5 MB in the beginning and 801.1 MB in the end (delta: 564.7 MB). Free memory was 155.9 MB in the beginning and 442.3 MB in the end (delta: -286.3 MB). Peak memory consumption was 278.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:57:26,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.99 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.8 MB in the beginning and 171.3 MB in the end (delta: -68.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.11 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1601.79 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 167.5 MB in the beginning and 155.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * Sifa took 24322.89 ms. Allocated memory was 236.5 MB in the beginning and 801.1 MB in the end (delta: 564.7 MB). Free memory was 155.9 MB in the beginning and 442.3 MB in the end (delta: -286.3 MB). Peak memory consumption was 278.3 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]: 24275, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 411, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 270, TOOLS_POST_TIME[ms]: 10213, TOOLS_POST_CALL_APPLICATIONS: 107, TOOLS_POST_CALL_TIME[ms]: 262, TOOLS_POST_RETURN_APPLICATIONS: 100, TOOLS_POST_RETURN_TIME[ms]: 144, TOOLS_QUANTIFIERELIM_APPLICATIONS: 476, TOOLS_QUANTIFIERELIM_TIME[ms]: 10450, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10067, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 429, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 106, DOMAIN_JOIN_TIME[ms]: 11440, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 1743, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 55, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 240, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9430, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9429, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 100, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10708, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10707, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 481, DAG_COMPRESSION_RETAINED_NODES: 269 - UnprovableResult [Line: 872]: 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 1196#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.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) (<= 1 ~systemActive~0) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (= |#t~string53.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (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~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (= |#t~string65.offset| 0) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string2.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...