./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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_spec1_product25.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 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:23:38,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:23:38,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:23:38,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:23:38,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:23:38,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:23:38,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:23:38,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:23:38,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:23:38,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:23:38,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:23:38,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:23:38,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:23:38,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:23:38,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:23:38,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:23:38,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:23:38,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:23:38,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:23:38,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:23:38,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:23:38,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:23:38,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:23:38,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:23:38,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:23:38,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:23:38,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:23:38,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:23:38,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:23:38,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:23:38,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:23:38,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:23:38,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:23:38,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:23:38,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:23:38,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:23:38,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:23:38,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:23:38,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:23:38,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:23:38,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:23:38,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:23:38,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:23:38,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:23:38,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:23:38,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:23:38,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:23:38,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:23:38,279 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:23:38,279 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:23:38,280 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:23:38,280 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:23:38,280 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:23:38,280 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:23:38,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:23:38,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:23:38,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:23:38,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:23:38,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:23:38,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:23:38,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:23:38,283 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:23:38,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:23:38,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:23:38,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:23:38,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:23:38,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:23:38,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:23:38,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:23:38,285 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:23:38,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5abd504bc7fd9e1d9830fe8cb395b594cef8d9561a1cc007a8c59d03b6adcc21 [2021-12-22 20:23:38,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:23:38,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:23:38,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:23:38,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:23:38,527 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:23:38,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-12-22 20:23:38,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d641780e/7903edc472004e4cb3e1bf4edb975bb4/FLAGe91e66fb0 [2021-12-22 20:23:38,970 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:23:38,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-12-22 20:23:38,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d641780e/7903edc472004e4cb3e1bf4edb975bb4/FLAGe91e66fb0 [2021-12-22 20:23:38,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d641780e/7903edc472004e4cb3e1bf4edb975bb4 [2021-12-22 20:23:38,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:23:38,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:23:38,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:38,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:23:39,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:23:39,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:38" (1/1) ... [2021-12-22 20:23:39,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c33f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39, skipping insertion in model container [2021-12-22 20:23:39,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:38" (1/1) ... [2021-12-22 20:23:39,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:23:39,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:23:39,220 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_spec1_product25.cil.c[3924,3937] [2021-12-22 20:23:39,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:39,271 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:23:39,285 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_spec1_product25.cil.c[3924,3937] [2021-12-22 20:23:39,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:39,322 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:23:39,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39 WrapperNode [2021-12-22 20:23:39,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:39,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:39,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:23:39,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:23:39,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,386 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 47, statements flattened = 377 [2021-12-22 20:23:39,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:39,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:23:39,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:23:39,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:23:39,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:23:39,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:23:39,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:23:39,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:23:39,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (1/1) ... [2021-12-22 20:23:39,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:39,460 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) [2021-12-22 20:23:39,479 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 [2021-12-22 20:23:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:23:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:23:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:23:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:23:39,537 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:23:39,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:23:39,740 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:23:39,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:23:39,759 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 20:23:39,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:39 BoogieIcfgContainer [2021-12-22 20:23:39,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:23:39,762 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:23:39,762 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:23:39,764 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:23:39,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:39,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:23:38" (1/3) ... [2021-12-22 20:23:39,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bdcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:39, skipping insertion in model container [2021-12-22 20:23:39,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:39,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:39" (2/3) ... [2021-12-22 20:23:39,766 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bdcfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:39, skipping insertion in model container [2021-12-22 20:23:39,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:39,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:39" (3/3) ... [2021-12-22 20:23:39,767 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2021-12-22 20:23:39,812 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:23:39,814 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:23:39,814 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:23:39,814 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:23:39,814 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:23:39,814 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:23:39,815 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:23:39,815 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:23:39,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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) [2021-12-22 20:23:39,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-22 20:23:39,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:39,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:39,860 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:39,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:39,860 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:23:39,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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) [2021-12-22 20:23:39,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-22 20:23:39,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:39,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:39,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:39,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:39,881 INFO L791 eck$LassoCheckResult]: Stem: 94#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 85#L171true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L164true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 97#L179true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 42#L543true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 36#L520true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 53#L406-2true [2021-12-22 20:23:39,882 INFO L793 eck$LassoCheckResult]: Loop: 53#L406-2true assume !false; 12#L407true assume test_~splverifierCounter~0#1 < 4; 83#L408true test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 16#L416true assume !(0 != test_~tmp~4#1); 84#L416-2true test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 88#L426true assume !(0 != test_~tmp___0~2#1); 28#L426-2true test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 31#L436true assume 0 != test_~tmp___2~0#1; 78#L442-2true assume { :begin_inline_timeShift } true; 104#L232true assume !(0 != ~pumpRunning~0); 65#L232-2true assume !(0 != ~systemActive~0); 19#L239-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 45#L100true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 74#L194true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 7#L194-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 6#L249true assume { :end_inline_timeShift } true; 53#L406-2true [2021-12-22 20:23:39,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:39,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-22 20:23:39,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:39,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458260925] [2021-12-22 20:23:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:39,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:40,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2021-12-22 20:23:40,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:40,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601446326] [2021-12-22 20:23:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:40,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:40,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:40,161 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2021-12-22 20:23:40,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:40,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872724952] [2021-12-22 20:23:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:40,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:23:40,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:23:40,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872724952] [2021-12-22 20:23:40,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872724952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:23:40,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:23:40,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:23:40,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938455695] [2021-12-22 20:23:40,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:23:40,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:23:40,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 20:23:40,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 20:23:40,379 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-22 20:23:40,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:23:40,427 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2021-12-22 20:23:40,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:23:40,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2021-12-22 20:23:40,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-22 20:23:40,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2021-12-22 20:23:40,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2021-12-22 20:23:40,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2021-12-22 20:23:40,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2021-12-22 20:23:40,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:40,438 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-22 20:23:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2021-12-22 20:23:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-22 20:23:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2021-12-22 20:23:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2021-12-22 20:23:40,456 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-22 20:23:40,456 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-22 20:23:40,456 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:23:40,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2021-12-22 20:23:40,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-22 20:23:40,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:40,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:40,458 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:40,458 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:40,458 INFO L791 eck$LassoCheckResult]: Stem: 306#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 295#L171 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 268#L164 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 269#L179 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 304#L543 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 297#L520 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 221#L406-2 [2021-12-22 20:23:40,459 INFO L793 eck$LassoCheckResult]: Loop: 221#L406-2 assume !false; 222#L407 assume test_~splverifierCounter~0#1 < 4; 254#L408 test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 265#L416 assume !(0 != test_~tmp~4#1); 267#L416-2 test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 296#L426 assume !(0 != test_~tmp___0~2#1); 226#L426-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 285#L436 assume 0 != test_~tmp___2~0#1; 281#L442-2 assume { :begin_inline_timeShift } true; 287#L232 assume !(0 != ~pumpRunning~0); 257#L232-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 258#L264 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 307#L256-1 assume { :end_inline_processEnvironment__wrappee__base } true; 263#L264-1 assume { :end_inline_processEnvironment } true; 264#L239-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 272#L100 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 283#L194 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 228#L194-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 229#L249 assume { :end_inline_timeShift } true; 221#L406-2 [2021-12-22 20:23:40,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:40,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-22 20:23:40,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:40,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930118259] [2021-12-22 20:23:40,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:40,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,468 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:40,478 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2021-12-22 20:23:40,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:40,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367776154] [2021-12-22 20:23:40,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:40,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,482 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,485 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:40,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2021-12-22 20:23:40,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:40,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510783105] [2021-12-22 20:23:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:40,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:40,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:42,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:23:42 BoogieIcfgContainer [2021-12-22 20:23:42,919 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:23:42,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:23:42,919 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:23:42,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:23:42,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:39" (3/4) ... [2021-12-22 20:23:42,922 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:23:42,965 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:23:42,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:23:42,972 INFO L158 Benchmark]: Toolchain (without parser) took 3975.01ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 65.5MB in the beginning and 81.9MB in the end (delta: -16.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,972 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:42,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.28ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 66.7MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.95ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,974 INFO L158 Benchmark]: Boogie Preprocessor took 31.65ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,974 INFO L158 Benchmark]: RCFGBuilder took 325.95ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 45.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,975 INFO L158 Benchmark]: BuchiAutomizer took 3157.26ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 45.2MB in the beginning and 85.0MB in the end (delta: -39.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,975 INFO L158 Benchmark]: Witness Printer took 52.05ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:42,977 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 81.8MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.28ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 66.7MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.95ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.65ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.95ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 45.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3157.26ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 45.2MB in the beginning and 85.0MB in the end (delta: -39.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Witness Printer took 52.05ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). 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 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 8 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 406]: 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, pumpRunning=0, tmp___0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2020ab13=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7586f19c=0, methaneLevelCritical=0, \result=0, retValue_acc=0, retValue_acc=0, \result=1, retValue_acc=1, tmp___2=29, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36bddbda=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10ec500a=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@665f11a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d83d68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d07c032=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@89cd1b5=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 406]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L225] int pumpRunning = 0; [L226] int systemActive = 1; [L461] int cleanupTimeShifts = 4; [L726] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L528] CALL test() [L397] int splverifierCounter ; [L398] int tmp ; [L399] int tmp___0 ; [L400] int tmp___1 ; [L401] int tmp___2 ; [L404] splverifierCounter = 0 Loop: [L406] COND TRUE 1 [L408] COND TRUE splverifierCounter < 4 [L414] tmp = __VERIFIER_nondet_int() [L416] COND FALSE !(\read(tmp)) [L424] tmp___0 = __VERIFIER_nondet_int() [L426] COND FALSE !(\read(tmp___0)) [L434] tmp___2 = __VERIFIER_nondet_int() [L436] COND TRUE \read(tmp___2) [L449] CALL timeShift() [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L241] CALL processEnvironment() [L261] int tmp ; [L264] COND FALSE !(\read(pumpRunning)) [L279] FCALL processEnvironment__wrappee__base() [L241] RET processEnvironment() [L247] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L247] RET __utac_acc__Specification1_spec__1() [L449] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:23:43,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)