./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:36:59,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:36:59,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:36:59,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:36:59,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:36:59,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:36:59,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:36:59,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:36:59,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:36:59,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:36:59,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:36:59,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:36:59,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:36:59,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:36:59,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:36:59,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:36:59,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:36:59,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:36:59,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:36:59,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:36:59,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:36:59,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:36:59,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:36:59,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:36:59,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:36:59,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:36:59,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:36:59,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:36:59,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:36:59,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:36:59,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:36:59,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:36:59,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:36:59,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:36:59,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:36:59,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:36:59,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:36:59,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:36:59,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:36:59,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:36:59,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:36:59,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:36:59,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:36:59,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:36:59,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:36:59,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:36:59,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:36:59,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:36:59,466 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:36:59,467 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:36:59,467 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:36:59,467 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:36:59,467 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:36:59,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:36:59,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:36:59,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:36:59,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:36:59,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:36:59,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:36:59,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:36:59,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:36:59,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:36:59,471 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:36:59,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2021-12-14 23:36:59,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:36:59,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:36:59,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:36:59,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:36:59,661 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:36:59,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-14 23:36:59,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c69cfc0/343a61262f4046199810336845cb8866/FLAG19d28af75 [2021-12-14 23:37:00,129 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:37:00,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2021-12-14 23:37:00,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c69cfc0/343a61262f4046199810336845cb8866/FLAG19d28af75 [2021-12-14 23:37:00,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c69cfc0/343a61262f4046199810336845cb8866 [2021-12-14 23:37:00,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:37:00,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:37:00,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:00,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:37:00,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:37:00,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a528e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00, skipping insertion in model container [2021-12-14 23:37:00,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:37:00,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:37:00,382 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_product17.cil.c[13023,13036] [2021-12-14 23:37:00,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:00,404 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:37:00,450 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_product17.cil.c[13023,13036] [2021-12-14 23:37:00,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:00,484 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:37:00,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00 WrapperNode [2021-12-14 23:37:00,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:00,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:00,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:37:00,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:37:00,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,539 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 47, statements flattened = 377 [2021-12-14 23:37:00,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:00,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:37:00,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:37:00,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:37:00,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:37:00,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:37:00,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:37:00,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:37:00,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (1/1) ... [2021-12-14 23:37:00,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:00,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:00,646 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) [2021-12-14 23:37:00,648 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 [2021-12-14 23:37:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:37:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:37:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:37:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:37:00,722 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:37:00,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:37:00,931 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:37:00,936 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:37:00,936 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:37:00,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:00 BoogieIcfgContainer [2021-12-14 23:37:00,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:37:00,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:37:00,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:37:00,941 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:37:00,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:00,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:37:00" (1/3) ... [2021-12-14 23:37:00,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36e8baa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:00, skipping insertion in model container [2021-12-14 23:37:00,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:00,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:00" (2/3) ... [2021-12-14 23:37:00,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36e8baa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:00, skipping insertion in model container [2021-12-14 23:37:00,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:00,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:00" (3/3) ... [2021-12-14 23:37:00,944 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-12-14 23:37:00,972 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:37:00,972 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:37:00,972 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:37:00,972 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:37:00,973 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:37:00,973 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:37:00,973 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:37:00,973 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:37:00,992 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) [2021-12-14 23:37:01,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-14 23:37:01,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:01,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:01,011 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:01,011 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:01,011 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:37:01,011 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) [2021-12-14 23:37:01,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2021-12-14 23:37:01,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:01,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:01,016 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:01,016 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:01,019 INFO L791 eck$LassoCheckResult]: Stem: 93#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 90#L892true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49#L885true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 72#L900true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 71#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 25#L508true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 87#L815-2true [2021-12-14 23:37:01,020 INFO L793 eck$LassoCheckResult]: Loop: 87#L815-2true assume !false; 60#L816true assume test_~splverifierCounter~0#1 < 4; 53#L817true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 97#L825true assume !(0 != test_~tmp~7#1); 98#L825-2true test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 95#L835true assume !(0 != test_~tmp___0~2#1); 8#L835-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 92#L845true assume 0 != test_~tmp___2~0#1; 56#L851-2true assume { :begin_inline_timeShift } true; 35#L570true assume !(0 != ~pumpRunning~0); 47#L570-2true assume !(0 != ~systemActive~0); 42#L577-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 30#L759true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 61#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 88#L61-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 100#L587true assume { :end_inline_timeShift } true; 87#L815-2true [2021-12-14 23:37:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-14 23:37:01,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059945694] [2021-12-14 23:37:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:01,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,156 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2021-12-14 23:37:01,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909116918] [2021-12-14 23:37:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:01,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,183 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2021-12-14 23:37:01,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069600008] [2021-12-14 23:37:01,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:37:01,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:37:01,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069600008] [2021-12-14 23:37:01,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069600008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:37:01,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:37:01,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:37:01,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279166703] [2021-12-14 23:37:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:37:01,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:37:01,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:37:01,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:37:01,450 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) [2021-12-14 23:37:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:37:01,514 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2021-12-14 23:37:01,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:37:01,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2021-12-14 23:37:01,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-14 23:37:01,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2021-12-14 23:37:01,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2021-12-14 23:37:01,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2021-12-14 23:37:01,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2021-12-14 23:37:01,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:01,534 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-14 23:37:01,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2021-12-14 23:37:01,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-14 23:37:01,552 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) [2021-12-14 23:37:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2021-12-14 23:37:01,553 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-14 23:37:01,554 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2021-12-14 23:37:01,554 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:37:01,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2021-12-14 23:37:01,555 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-14 23:37:01,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:01,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:01,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:01,556 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] [2021-12-14 23:37:01,556 INFO L791 eck$LassoCheckResult]: Stem: 304#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 296#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 297#L892 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 302#L885 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 264#L900 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 261#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 262#L508 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 280#L815-2 [2021-12-14 23:37:01,557 INFO L793 eck$LassoCheckResult]: Loop: 280#L815-2 assume !false; 226#L816 assume test_~splverifierCounter~0#1 < 4; 227#L817 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 306#L825 assume !(0 != test_~tmp~7#1); 287#L825-2 test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 305#L835 assume !(0 != test_~tmp___0~2#1); 239#L835-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 240#L845 assume 0 != test_~tmp___2~0#1; 250#L851-2 assume { :begin_inline_timeShift } true; 292#L570 assume !(0 != ~pumpRunning~0); 293#L570-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 246#L602 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 247#L594-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L602-1 assume { :end_inline_processEnvironment } true; 291#L577-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 284#L759 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 229#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 231#L61-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 298#L587 assume { :end_inline_timeShift } true; 280#L815-2 [2021-12-14 23:37:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-14 23:37:01,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166996276] [2021-12-14 23:37:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:01,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,585 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2021-12-14 23:37:01,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708076655] [2021-12-14 23:37:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,589 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:01,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:01,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2021-12-14 23:37:01,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:01,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182519291] [2021-12-14 23:37:01,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:01,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,617 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:01,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:03,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:37:03 BoogieIcfgContainer [2021-12-14 23:37:03,948 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:37:03,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:37:03,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:37:03,949 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:37:03,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:00" (3/4) ... [2021-12-14 23:37:03,951 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-14 23:37:03,983 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 23:37:03,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:37:03,984 INFO L158 Benchmark]: Toolchain (without parser) took 3823.99ms. Allocated memory was 90.2MB in the beginning and 146.8MB in the end (delta: 56.6MB). Free memory was 61.6MB in the beginning and 56.3MB in the end (delta: 5.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,984 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:03,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.52ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 61.4MB in the beginning and 90.0MB in the end (delta: -28.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.57ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 87.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,985 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,986 INFO L158 Benchmark]: RCFGBuilder took 372.60ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 69.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,986 INFO L158 Benchmark]: BuchiAutomizer took 3009.99ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.6MB in the beginning and 58.4MB in the end (delta: 10.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,986 INFO L158 Benchmark]: Witness Printer took 34.93ms. Allocated memory is still 146.8MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:03,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 90.2MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.52ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 61.4MB in the beginning and 90.0MB in the end (delta: -28.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.57ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 87.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.60ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 69.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3009.99ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 68.6MB in the beginning and 58.4MB in the end (delta: 10.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 34.93ms. Allocated memory is still 146.8MB. Free memory was 58.4MB in the beginning and 56.3MB 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 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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: 815]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b6a9483=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a57c0=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71b9d8d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ee5ae21=0, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, \result=0, \result=1, tmp___2=29, tmp=1, cleanupTimeShifts=4, \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@2544283c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40b79546=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751dc047=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13678bdf=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 815]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-14 23:37:04,019 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)