./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:17:19,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:17:19,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:17:19,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:17:19,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:17:19,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:17:19,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:17:19,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:17:19,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:17:19,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:17:19,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:17:19,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:17:19,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:17:19,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:17:19,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:17:19,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:17:19,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:17:19,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:17:19,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:17:19,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:17:19,252 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:17:19,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:17:19,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:17:19,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:17:19,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:17:19,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:17:19,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:17:19,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:17:19,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:17:19,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:17:19,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:17:19,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:17:19,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:17:19,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:17:19,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:17:19,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:17:19,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:17:19,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:17:19,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:17:19,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:17:19,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:17:19,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:17:19,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:17:19,296 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:17:19,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:17:19,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:17:19,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:17:19,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:17:19,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:17:19,298 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:17:19,298 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:17:19,299 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:17:19,299 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:17:19,299 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:17:19,299 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:17:19,300 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:17:19,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:17:19,300 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:17:19,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:17:19,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:17:19,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:17:19,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:17:19,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:17:19,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:17:19,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:17:19,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:17:19,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:17:19,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:17:19,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:17:19,304 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:17:19,304 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 [2022-07-13 04:17:19,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:17:19,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:17:19,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:17:19,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:17:19,492 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:17:19,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2022-07-13 04:17:19,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a682a13c/be2658537de6419b88119aecb365b41d/FLAG14c7501a9 [2022-07-13 04:17:19,865 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:17:19,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2022-07-13 04:17:19,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a682a13c/be2658537de6419b88119aecb365b41d/FLAG14c7501a9 [2022-07-13 04:17:20,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a682a13c/be2658537de6419b88119aecb365b41d [2022-07-13 04:17:20,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:17:20,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:17:20,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:20,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:17:20,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:17:20,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689e493f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20, skipping insertion in model container [2022-07-13 04:17:20,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:17:20,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:17:20,509 WARN L230 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_spec2_product27.cil.c[18283,18296] [2022-07-13 04:17:20,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:20,528 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:17:20,572 WARN L230 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_spec2_product27.cil.c[18283,18296] [2022-07-13 04:17:20,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:20,583 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:17:20,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20 WrapperNode [2022-07-13 04:17:20,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:20,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:20,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:17:20,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:17:20,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,624 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 51, calls inlined = 50, statements flattened = 400 [2022-07-13 04:17:20,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:20,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:17:20,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:17:20,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:17:20,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:17:20,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:17:20,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:17:20,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:17:20,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (1/1) ... [2022-07-13 04:17:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:17:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:17:20,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:17:20,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:17:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:17:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:17:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:17:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:17:20,760 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:17:20,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:17:21,018 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:17:21,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:17:21,024 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:17:21,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:21 BoogieIcfgContainer [2022-07-13 04:17:21,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:17:21,026 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:17:21,026 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:17:21,048 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:17:21,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:21,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:17:20" (1/3) ... [2022-07-13 04:17:21,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d39d21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:21, skipping insertion in model container [2022-07-13 04:17:21,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:21,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:20" (2/3) ... [2022-07-13 04:17:21,050 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d39d21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:21, skipping insertion in model container [2022-07-13 04:17:21,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:21,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:21" (3/3) ... [2022-07-13 04:17:21,051 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2022-07-13 04:17:21,090 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:17:21,091 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:17:21,091 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:17:21,091 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:17:21,091 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:17:21,091 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:17:21,091 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:17:21,091 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:17:21,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:21,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-07-13 04:17:21,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:21,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:21,137 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,138 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,138 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:17:21,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:21,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-07-13 04:17:21,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:21,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:21,150 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,150 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,157 INFO L752 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~6#1, main_~tmp~4#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 72#L746true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2#L739true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 5#L754true main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 45#L642true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 40#L614true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 92#L425true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 55#L667-2true [2022-07-13 04:17:21,158 INFO L754 eck$LassoCheckResult]: Loop: 55#L667-2true assume !false; 32#L668true assume test_~splverifierCounter~0#1 < 4; 100#L669true test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 10#L677true assume !(0 != test_~tmp~5#1); 58#L677-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 51#L687true assume !(0 != test_~tmp___0~1#1); 63#L687-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 33#L697true assume 0 != test_~tmp___2~0#1; 77#L703-2true assume { :begin_inline_timeShift } true; 8#L768true assume !(0 != ~pumpRunning~0); 9#L768-2true assume !(0 != ~systemActive~0); 48#L775-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 23#L507true __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 39#L436true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 26#L436-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 110#L785true assume { :end_inline_timeShift } true; 55#L667-2true [2022-07-13 04:17:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:17:21,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653338432] [2022-07-13 04:17:21,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,302 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1032421930, now seen corresponding path program 1 times [2022-07-13 04:17:21,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970753889] [2022-07-13 04:17:21,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,374 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:21,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,387 INFO L85 PathProgramCache]: Analyzing trace with hash 870134547, now seen corresponding path program 1 times [2022-07-13 04:17:21,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38145813] [2022-07-13 04:17:21,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:17:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:17:21,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:17:21,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38145813] [2022-07-13 04:17:21,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38145813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:17:21,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:17:21,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:17:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992926974] [2022-07-13 04:17:21,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:17:21,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:17:21,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:17:21,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:17:21,645 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:21,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:17:21,753 INFO L93 Difference]: Finished difference Result 273 states and 354 transitions. [2022-07-13 04:17:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:17:21,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 354 transitions. [2022-07-13 04:17:21,765 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2022-07-13 04:17:21,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 243 states and 324 transitions. [2022-07-13 04:17:21,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2022-07-13 04:17:21,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2022-07-13 04:17:21,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 324 transitions. [2022-07-13 04:17:21,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:17:21,772 INFO L369 hiAutomatonCegarLoop]: Abstraction has 243 states and 324 transitions. [2022-07-13 04:17:21,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 324 transitions. [2022-07-13 04:17:21,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 152. [2022-07-13 04:17:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 151 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2022-07-13 04:17:21,803 INFO L392 hiAutomatonCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-07-13 04:17:21,803 INFO L374 stractBuchiCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-07-13 04:17:21,803 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:17:21,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 203 transitions. [2022-07-13 04:17:21,805 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2022-07-13 04:17:21,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:21,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:21,807 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,807 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:21,808 INFO L752 eck$LassoCheckResult]: Stem: 498#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~6#1, main_~tmp~4#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 459#L746 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 401#L739 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 402#L754 main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 403#L642 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 456#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 457#L425 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 476#L667-2 [2022-07-13 04:17:21,808 INFO L754 eck$LassoCheckResult]: Loop: 476#L667-2 assume !false; 449#L668 assume test_~splverifierCounter~0#1 < 4; 450#L669 test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 412#L677 assume !(0 != test_~tmp~5#1); 414#L677-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 470#L687 assume !(0 != test_~tmp___0~1#1); 472#L687-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 451#L697 assume 0 != test_~tmp___2~0#1; 421#L703-2 assume { :begin_inline_timeShift } true; 408#L768 assume !(0 != ~pumpRunning~0); 409#L768-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 411#L800 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 430#L792-1 assume { :end_inline_processEnvironment__wrappee__base } true; 425#L800-1 assume { :end_inline_processEnvironment } true; 467#L775-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 438#L507 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 439#L436 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 441#L436-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 444#L785 assume { :end_inline_timeShift } true; 476#L667-2 [2022-07-13 04:17:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:17:21,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926387634] [2022-07-13 04:17:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,822 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:21,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1377565590, now seen corresponding path program 1 times [2022-07-13 04:17:21,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091593389] [2022-07-13 04:17:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:21,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:21,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1487653363, now seen corresponding path program 1 times [2022-07-13 04:17:21,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:21,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653729682] [2022-07-13 04:17:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:21,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:21,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:24,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:17:24 BoogieIcfgContainer [2022-07-13 04:17:24,165 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:17:24,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:17:24,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:17:24,166 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:17:24,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:21" (3/4) ... [2022-07-13 04:17:24,168 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:17:24,228 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:17:24,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:17:24,229 INFO L158 Benchmark]: Toolchain (without parser) took 3950.95ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 81.5MB in the beginning and 115.1MB in the end (delta: -33.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,229 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:17:24,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.32ms. Allocated memory is still 111.1MB. Free memory was 81.2MB in the beginning and 77.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 111.1MB. Free memory was 77.8MB in the beginning and 75.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:17:24,230 INFO L158 Benchmark]: Boogie Preprocessor took 38.63ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,230 INFO L158 Benchmark]: RCFGBuilder took 361.31ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 111.9MB in the end (delta: -38.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,230 INFO L158 Benchmark]: BuchiAutomizer took 3139.25ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 117.1MB in the end (delta: -5.4MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,231 INFO L158 Benchmark]: Witness Printer took 63.07ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:24,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.32ms. Allocated memory is still 111.1MB. Free memory was 81.2MB in the beginning and 77.8MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 111.1MB. Free memory was 77.8MB in the beginning and 75.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.63ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 73.1MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 361.31ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 111.9MB in the end (delta: -38.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3139.25ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 111.7MB in the beginning and 117.1MB in the end (delta: -5.4MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * Witness Printer took 63.07ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 115.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 152 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 505 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 847 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 713 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 134 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 667]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@585ced99=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c4396aa=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@111a3d43=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ff6ff63=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2357c9df=0, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f792545=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@132147e4=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bc05943=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 667]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L464] int waterLevel = 1; [L465] int methaneLevelCritical = 0; [L553] int cleanupTimeShifts = 4; [L761] int pumpRunning = 0; [L762] int systemActive = 1; [L633] int retValue_acc ; [L634] int tmp ; [L638] FCALL select_helpers() [L639] FCALL select_features() [L640] CALL, EXPR valid_product() [L750] int retValue_acc ; [L753] retValue_acc = 1 [L754] return (retValue_acc); [L640] RET, EXPR valid_product() [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L644] FCALL setup() [L645] CALL runTest() [L623] CALL __utac_acc__Specification2_spec__1() [L424] methAndRunningLastTime = 0 [L623] RET __utac_acc__Specification2_spec__1() [L624] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L712] CALL timeShift() [L768] COND FALSE !(\read(pumpRunning)) [L775] COND TRUE \read(systemActive) [L777] CALL processEnvironment() [L797] int tmp ; [L800] COND FALSE !(\read(pumpRunning)) [L815] FCALL processEnvironment__wrappee__base() [L777] RET processEnvironment() [L783] CALL __utac_acc__Specification2_spec__2() [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isMethaneLevelCritical() [L503] int retValue_acc ; [L506] retValue_acc = methaneLevelCritical [L507] return (retValue_acc); [L434] RET, EXPR isMethaneLevelCritical() [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 [L783] RET __utac_acc__Specification2_spec__2() [L712] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:17:24,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)