/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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:49:10,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:49:10,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:49:10,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:49:10,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:49:10,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:49:10,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:49:10,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:49:10,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:49:10,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:49:10,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:49:10,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:49:10,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:49:10,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:49:10,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:49:10,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:49:10,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:49:10,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:49:10,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:49:10,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:49:10,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:49:10,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:49:10,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:49:10,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:49:10,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:49:10,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:49:10,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:49:10,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:49:10,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:49:10,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:49:10,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:49:10,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:49:10,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:49:10,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:49:10,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:49:10,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:49:10,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:49:10,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:49:10,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:49:10,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:49:10,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:49:10,855 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 10:49:10,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:49:10,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:49:10,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:49:10,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:49:10,892 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:49:10,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:49:10,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:49:10,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:49:10,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:49:10,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:49:10,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:49:10,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:49:10,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:49:10,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:49:10,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:49:10,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:49:10,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:10,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:49:10,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:49:10,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:49:10,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:49:10,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:49:10,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:49:10,899 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 10:49:11,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:49:11,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:49:11,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:49:11,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:49:11,212 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:49:11,213 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-07 10:49:11,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d08be5d/d4183d206742439c9dff4f674eccd6d4/FLAG7a3c4bd33 [2019-11-07 10:49:11,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:49:11,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2019-11-07 10:49:11,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d08be5d/d4183d206742439c9dff4f674eccd6d4/FLAG7a3c4bd33 [2019-11-07 10:49:12,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d08be5d/d4183d206742439c9dff4f674eccd6d4 [2019-11-07 10:49:12,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:49:12,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:49:12,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:12,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:49:12,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:49:12,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b909cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12, skipping insertion in model container [2019-11-07 10:49:12,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,081 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:49:12,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:49:12,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:12,551 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:49:12,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:12,692 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:49:12,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12 WrapperNode [2019-11-07 10:49:12,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:12,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:49:12,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:49:12,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:49:12,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (1/1) ... [2019-11-07 10:49:12,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:49:12,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:49:12,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:49:12,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:49:12,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:12" (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 10:49:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:49:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:49:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:49:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:49:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:49:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:49:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:49:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:49:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:49:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:49:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:49:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:49:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:49:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:49:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:49:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:49:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:49:14,398 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:49:14,398 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:49:14,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:14 BoogieIcfgContainer [2019-11-07 10:49:14,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:49:14,401 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:49:14,401 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:49:14,401 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:49:14,402 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:14" (1/1) ... [2019-11-07 10:49:14,403 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 10:49:14,434 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:49:14,435 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:49:14,449 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:49:14,460 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:49:14,462 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:49:23,849 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:49:25,828 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:49:25,963 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:49:26,010 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 478 for LOIs [2019-11-07 10:49:26,066 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 478 for LOIs [2019-11-07 10:49:26,072 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 478 for LOIs [2019-11-07 10:49:26,589 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2019-11-07 10:49:27,062 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 606 [2019-11-07 10:49:28,088 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 10:49:28,488 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 608 DAG size of output: 605 [2019-11-07 10:49:28,772 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2019-11-07 10:49:29,494 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-07 10:49:29,745 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-07 10:49:30,030 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-07 10:49:30,356 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:49:30,357 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:49:30,709 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-11-07 10:49:30,718 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-11-07 10:49:30,720 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:49:30,735 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:49:30,735 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:49:30,737 INFO L168 Benchmark]: Toolchain (without parser) took 18668.67 ms. Allocated memory was 140.0 MB in the beginning and 446.2 MB in the end (delta: 306.2 MB). Free memory was 103.0 MB in the beginning and 365.8 MB in the end (delta: -262.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:30,738 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:49:30,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.32 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 172.1 MB in the end (delta: -69.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:30,740 INFO L168 Benchmark]: Boogie Preprocessor took 87.75 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 168.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:30,741 INFO L168 Benchmark]: RCFGBuilder took 1619.22 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 149.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:49:30,742 INFO L168 Benchmark]: Sifa took 16334.84 ms. Allocated memory was 234.4 MB in the beginning and 446.2 MB in the end (delta: 211.8 MB). Free memory was 149.5 MB in the beginning and 365.8 MB in the end (delta: -216.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:49:30,746 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.32 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 172.1 MB in the end (delta: -69.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.75 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 168.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.22 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 149.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * Sifa took 16334.84 ms. Allocated memory was 234.4 MB in the beginning and 446.2 MB in the end (delta: 211.8 MB). Free memory was 149.5 MB in the beginning and 365.8 MB in the end (delta: -216.3 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]: 16286, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 29, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME[ms]: 11508, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 157, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_APPLICATIONS: 205, TOOLS_QUANTIFIERELIM_TIME[ms]: 11637, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11414, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 205, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 3986, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 269, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME[ms]: 79, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2145, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2142, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11581, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11581, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 600, DAG_COMPRESSION_RETAINED_NODES: 175 - UnprovableResult [Line: 177]: 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 413#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (= |#t~string13.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (= |#t~string56.offset| 0) (<= |#t~string66.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (<= 0 |#t~string17.offset|) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string36.offset| 0) (= |#t~string11.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string21.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string13.offset|) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 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...