java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:28:17,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:28:17,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:28:17,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:28:17,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:28:17,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:28:17,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:28:17,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:28:17,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:28:17,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:28:17,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:28:17,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:28:17,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:28:17,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:28:17,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:28:17,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:28:17,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:28:17,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:28:17,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:28:17,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:28:17,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:28:17,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:28:17,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:28:17,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:28:17,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:28:17,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:28:17,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:28:17,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:28:17,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:28:17,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:28:17,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:28:17,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:28:17,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:28:17,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:28:17,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:28:17,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:28:17,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:28:17,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:28:17,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:28:17,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:28:17,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:28:17,831 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 [2019-09-19 23:28:17,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:28:17,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:28:17,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:28:17,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:28:17,848 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:28:17,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:28:17,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:28:17,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:28:17,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:28:17,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:28:17,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:28:17,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:28:17,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:28:17,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:28:17,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:28:17,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:28:17,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:28:17,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:28:17,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:28:17,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:28:17,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:28:17,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:28:17,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:28:17,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:28:17,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:28:17,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:28:17,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:28:17,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:28:17,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:28:17,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:28:17,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:28:17,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:28:17,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:28:17,902 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:28:17,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-19 23:28:17,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641a068ca/9d16029c1d0942199f5d29915703ee90/FLAG02f93eda7 [2019-09-19 23:28:18,452 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:28:18,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2019-09-19 23:28:18,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641a068ca/9d16029c1d0942199f5d29915703ee90/FLAG02f93eda7 [2019-09-19 23:28:18,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641a068ca/9d16029c1d0942199f5d29915703ee90 [2019-09-19 23:28:18,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:28:18,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:28:18,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:28:18,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:28:18,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:28:18,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:28:18" (1/1) ... [2019-09-19 23:28:18,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8d1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:18, skipping insertion in model container [2019-09-19 23:28:18,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:28:18" (1/1) ... [2019-09-19 23:28:18,832 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:28:18,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:28:19,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:28:19,282 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:28:19,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:28:19,455 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:28:19,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19 WrapperNode [2019-09-19 23:28:19,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:28:19,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:28:19,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:28:19,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:28:19,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (1/1) ... [2019-09-19 23:28:19,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:28:19,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:28:19,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:28:19,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:28:19,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:19" (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 [2019-09-19 23:28:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:28:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:28:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:28:19,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:28:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:28:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:28:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:28:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:28:19,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:28:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:28:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:28:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:28:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:28:19,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:28:19,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:28:19,630 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:28:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:28:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:28:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:28:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:28:19,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:28:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:28:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:28:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:28:19,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:28:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:28:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:28:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:28:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:28:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:28:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:28:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:28:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:28:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:28:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:28:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:28:21,063 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:28:21,063 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:28:21,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:28:21 BoogieIcfgContainer [2019-09-19 23:28:21,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:28:21,065 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:28:21,065 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:28:21,066 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:28:21,067 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:28:21" (1/1) ... [2019-09-19 23:28:21,067 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:28:21,101 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:28:21,102 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:28:21,113 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:28:21,123 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:28:21,125 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:28:41,874 WARN L191 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:28:43,657 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:28:47,474 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:28:49,264 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:28:51,081 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:28:51,096 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-19 23:28:51,178 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-19 23:28:51,184 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-19 23:29:02,379 WARN L191 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-19 23:29:07,786 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 23:29:18,622 WARN L191 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-19 23:29:23,924 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 23:29:34,750 WARN L191 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-19 23:29:40,015 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-19 23:29:57,832 WARN L191 SmtUtils]: Spent 17.75 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-19 23:30:06,732 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:30:18,048 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-19 23:30:23,525 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:30:35,004 WARN L191 SmtUtils]: Spent 11.48 s on a formula simplification. DAG size of input: 476 DAG size of output: 471 [2019-09-19 23:30:40,745 WARN L191 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:30:52,162 WARN L191 SmtUtils]: Spent 11.42 s on a formula simplification. DAG size of input: 473 DAG size of output: 471 [2019-09-19 23:30:57,851 WARN L191 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:31:06,988 WARN L191 SmtUtils]: Spent 9.12 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-19 23:31:07,571 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-19 23:31:07,827 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:31:11,767 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 467 DAG size of output: 467 [2019-09-19 23:31:13,698 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-19 23:31:31,556 WARN L191 SmtUtils]: Spent 17.82 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-19 23:31:40,531 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:31:51,534 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-19 23:31:56,958 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:32:08,536 WARN L191 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 476 DAG size of output: 471 [2019-09-19 23:32:14,302 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:32:25,847 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 473 DAG size of output: 471 [2019-09-19 23:32:31,653 WARN L191 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:32:40,899 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-19 23:32:41,347 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-19 23:32:41,604 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:32:59,674 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-19 23:33:08,543 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-19 23:33:19,788 WARN L191 SmtUtils]: Spent 11.15 s on a formula simplification. DAG size of input: 462 DAG size of output: 460 [2019-09-19 23:33:25,250 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:33:36,770 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 476 DAG size of output: 471 [2019-09-19 23:33:42,550 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:33:54,090 WARN L191 SmtUtils]: Spent 11.54 s on a formula simplification. DAG size of input: 473 DAG size of output: 471 [2019-09-19 23:33:59,869 WARN L191 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:34:09,123 WARN L191 SmtUtils]: Spent 9.23 s on a formula simplification that was a NOOP. DAG size: 475 [2019-09-19 23:34:09,574 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-19 23:34:09,831 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:34:10,151 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 47 [2019-09-19 23:34:10,205 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 24 for LOIs [2019-09-19 23:34:10,334 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 23:34:10,711 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-19 23:34:10,973 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-19 23:34:11,268 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-19 23:34:11,580 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-19 23:34:11,710 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 23:34:11,800 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 23:34:11,803 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-19 23:34:11,827 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:34:11,827 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:34:11,829 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 435#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 23:34:11,843 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:34:11,843 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:34:11,844 INFO L168 Benchmark]: Toolchain (without parser) took 353029.61 ms. Allocated memory was 140.5 MB in the beginning and 156.8 MB in the end (delta: 16.3 MB). Free memory was 86.9 MB in the beginning and 121.8 MB in the end (delta: -35.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:34:11,845 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:34:11,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.07 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.7 MB in the beginning and 166.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-19 23:34:11,847 INFO L168 Benchmark]: Boogie Preprocessor took 98.56 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 163.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-19 23:34:11,848 INFO L168 Benchmark]: RCFGBuilder took 1509.02 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 162.5 MB in the beginning and 153.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:34:11,849 INFO L168 Benchmark]: Sifa took 350777.80 ms. Allocated memory was 227.5 MB in the beginning and 156.8 MB in the end (delta: -70.8 MB). Free memory was 153.0 MB in the beginning and 121.8 MB in the end (delta: 31.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:34:11,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.07 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 86.7 MB in the beginning and 166.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.56 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 163.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1509.02 ms. Allocated memory was 201.3 MB in the beginning and 227.5 MB in the end (delta: 26.2 MB). Free memory was 162.5 MB in the beginning and 153.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * Sifa took 350777.80 ms. Allocated memory was 227.5 MB in the beginning and 156.8 MB in the end (delta: -70.8 MB). Free memory was 153.0 MB in the beginning and 121.8 MB in the end (delta: 31.2 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]: 350731, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 224, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 144, TOOLS_POST_TIME[ms]: 26381, TOOLS_POST_CALL_APPLICATIONS: 63, TOOLS_POST_CALL_TIME[ms]: 268, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_APPLICATIONS: 261, TOOLS_QUANTIFIERELIM_TIME[ms]: 26646, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26277, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 234, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 294951, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 28492, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 119, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME[ms]: 271, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 265521, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 265520, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 54, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30442, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30441, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 361, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 827]: 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 435#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...