/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 06:36:22,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 06:36:22,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 06:36:22,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 06:36:22,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 06:36:22,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 06:36:22,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 06:36:22,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 06:36:22,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 06:36:22,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 06:36:22,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 06:36:22,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 06:36:22,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 06:36:22,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 06:36:22,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 06:36:22,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 06:36:22,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 06:36:22,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 06:36:22,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 06:36:22,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 06:36:22,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 06:36:22,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 06:36:22,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 06:36:22,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 06:36:22,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 06:36:22,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 06:36:22,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 06:36:22,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 06:36:22,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 06:36:22,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 06:36:22,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 06:36:22,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 06:36:22,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 06:36:22,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 06:36:22,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 06:36:22,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 06:36:22,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 06:36:22,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 06:36:22,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 06:36:22,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 06:36:22,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 06:36:22,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 06:36:22,850 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 06:36:22,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 06:36:22,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 06:36:22,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 06:36:22,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 06:36:22,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 06:36:22,852 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 06:36:22,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 06:36:22,852 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 06:36:22,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 06:36:22,853 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 06:36:22,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 06:36:22,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 06:36:22,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 06:36:22,854 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 06:36:22,854 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 06:36:22,854 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 06:36:22,854 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 06:36:22,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 06:36:22,855 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 06:36:22,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 06:36:22,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 06:36:22,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 06:36:22,856 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 06:36:22,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 06:36:22,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 06:36:22,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 06:36:22,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:22,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 06:36:22,857 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 06:36:22,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 06:36:22,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 06:36:23,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 06:36:23,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 06:36:23,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 06:36:23,124 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 06:36:23,124 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 06:36:23,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-03-31 06:36:24,393 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 06:36:24,626 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 06:36:24,627 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2023-03-31 06:36:24,645 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6836d4/e2b648a9251349919f7db5df283546c4/FLAG418d11e41 [2023-03-31 06:36:24,659 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb6836d4/e2b648a9251349919f7db5df283546c4 [2023-03-31 06:36:24,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 06:36:24,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 06:36:24,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:24,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 06:36:24,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 06:36:24,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:24" (1/1) ... [2023-03-31 06:36:24,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c02db82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:24, skipping insertion in model container [2023-03-31 06:36:24,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 06:36:24" (1/1) ... [2023-03-31 06:36:24,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 06:36:24,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 06:36:24,889 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2023-03-31 06:36:25,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:25,027 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 06:36:25,056 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2023-03-31 06:36:25,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 06:36:25,123 INFO L208 MainTranslator]: Completed translation [2023-03-31 06:36:25,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25 WrapperNode [2023-03-31 06:36:25,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 06:36:25,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 06:36:25,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 06:36:25,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 06:36:25,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 06:36:25,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 06:36:25,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 06:36:25,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 06:36:25,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 06:36:25" (1/1) ... [2023-03-31 06:36:25,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 06:36:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 06:36:25,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 06:36:25,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 06:36:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 06:36:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 06:36:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 06:36:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 06:36:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 06:36:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 06:36:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 06:36:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 06:36:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 06:36:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 06:36:25,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 06:36:25,288 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 06:36:25,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 06:36:25,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 06:36:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 06:36:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 06:36:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 06:36:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 06:36:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 06:36:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 06:36:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 06:36:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 06:36:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 06:36:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 06:36:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 06:36:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 06:36:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 06:36:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 06:36:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 06:36:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 06:36:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 06:36:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 06:36:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 06:36:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 06:36:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 06:36:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 06:36:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 06:36:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 06:36:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 06:36:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 06:36:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 06:36:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 06:36:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 06:36:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 06:36:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 06:36:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 06:36:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 06:36:25,494 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 06:36:25,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 06:36:26,106 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 06:36:26,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 06:36:26,260 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 06:36:26,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:26 BoogieIcfgContainer [2023-03-31 06:36:26,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 06:36:26,264 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 06:36:26,264 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 06:36:26,264 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 06:36:26,265 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 06:36:26" (1/1) ... [2023-03-31 06:36:26,266 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ Max. Parallel Octagon=2 ♦ 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=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 06:36:26,299 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 06:36:26,299 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 06:36:26,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 06:36:26,310 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 06:36:26,311 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 06:36:26,627 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 118 for LOIs [2023-03-31 06:36:27,236 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 118 for LOIs [2023-03-31 06:36:27,306 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 118 for LOIs [2023-03-31 06:36:28,228 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2023-03-31 06:36:28,231 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 42 for LOIs [2023-03-31 06:36:28,282 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 20 for LOIs [2023-03-31 06:36:28,300 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 30 for LOIs [2023-03-31 06:36:28,301 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 06:36:28,313 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 06:36:28,313 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 06:36:28,315 INFO L158 Benchmark]: Toolchain (without parser) took 3650.39ms. Allocated memory was 291.5MB in the beginning and 372.2MB in the end (delta: 80.7MB). Free memory was 236.0MB in the beginning and 245.9MB in the end (delta: -10.0MB). Peak memory consumption was 72.3MB. Max. memory is 8.0GB. [2023-03-31 06:36:28,317 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 06:36:28,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.32ms. Allocated memory is still 291.5MB. Free memory was 235.5MB in the beginning and 217.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 06:36:28,323 INFO L158 Benchmark]: Boogie Preprocessor took 83.97ms. Allocated memory is still 291.5MB. Free memory was 217.1MB in the beginning and 214.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 06:36:28,327 INFO L158 Benchmark]: RCFGBuilder took 1053.57ms. Allocated memory is still 291.5MB. Free memory was 214.0MB in the beginning and 244.7MB in the end (delta: -30.7MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. [2023-03-31 06:36:28,328 INFO L158 Benchmark]: Sifa took 2049.52ms. Allocated memory was 291.5MB in the beginning and 372.2MB in the end (delta: 80.7MB). Free memory was 244.7MB in the beginning and 245.9MB in the end (delta: -1.3MB). Peak memory consumption was 80.0MB. Max. memory is 8.0GB. [2023-03-31 06:36:28,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 458.32ms. Allocated memory is still 291.5MB. Free memory was 235.5MB in the beginning and 217.1MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.97ms. Allocated memory is still 291.5MB. Free memory was 217.1MB in the beginning and 214.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1053.57ms. Allocated memory is still 291.5MB. Free memory was 214.0MB in the beginning and 244.7MB in the end (delta: -30.7MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. * Sifa took 2049.52ms. Allocated memory was 291.5MB in the beginning and 372.2MB in the end (delta: 80.7MB). Free memory was 244.7MB in the beginning and 245.9MB in the end (delta: -1.3MB). Peak memory consumption was 80.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 2.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 23, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 88, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 41, TOOLS_POST_CALL_TIME: 0.7s, TOOLS_POST_RETURN_APPLICATIONS: 34, TOOLS_POST_RETURN_TIME: 0.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 162, TOOLS_QUANTIFIERELIM_TIME: 1.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 161, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 34, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 366, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 150]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 187#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~waterLevel~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 06:36:28,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...