./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:10:07,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:10:07,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:10:07,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:10:07,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:10:07,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:10:07,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:10:07,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:10:07,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:10:07,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:10:07,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:10:07,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:10:07,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:10:07,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:10:07,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:10:07,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:10:07,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:10:07,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:10:07,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:10:07,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:10:07,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:10:07,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:10:07,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:10:07,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:10:07,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:10:07,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:10:07,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:10:07,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:10:07,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:10:07,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:10:07,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:10:07,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:10:07,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:10:07,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:10:07,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:10:07,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:10:07,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:10:07,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:10:07,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:10:07,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:10:07,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:10:07,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:10:07,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:10:07,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:10:07,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:10:07,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:10:07,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:10:07,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:10:07,443 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:10:07,443 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:10:07,443 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:10:07,444 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:10:07,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:10:07,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:10:07,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:10:07,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:10:07,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:10:07,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:10:07,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:10:07,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:10:07,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:10:07,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:10:07,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:10:07,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:10:07,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:10:07,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:10:07,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:10:07,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:10:07,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:10:07,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:10:07,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:10:07,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:10:07,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:10:07,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:10:07,449 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:10:07,449 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b18f8936761d8846ee25b456ed772fff798460a5a47e80881faf00ea0dfef9 [2021-12-19 19:10:07,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:10:07,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:10:07,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:10:07,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:10:07,691 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:10:07,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-12-19 19:10:07,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5bc2045/f887139ff22d4a0a9380d04a0c5a24bc/FLAG8ec3a8f95 [2021-12-19 19:10:08,243 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:10:08,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-12-19 19:10:08,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5bc2045/f887139ff22d4a0a9380d04a0c5a24bc/FLAG8ec3a8f95 [2021-12-19 19:10:08,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a5bc2045/f887139ff22d4a0a9380d04a0c5a24bc [2021-12-19 19:10:08,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:10:08,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:10:08,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:10:08,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:10:08,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:10:08,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:10:08" (1/1) ... [2021-12-19 19:10:08,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311cb7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:08, skipping insertion in model container [2021-12-19 19:10:08,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:10:08" (1/1) ... [2021-12-19 19:10:08,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:10:08,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:10:09,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[18283,18296] [2021-12-19 19:10:09,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:10:09,141 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:10:09,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[18283,18296] [2021-12-19 19:10:09,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:10:09,240 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:10:09,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09 WrapperNode [2021-12-19 19:10:09,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:10:09,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:10:09,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:10:09,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:10:09,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,291 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 51, calls inlined = 50, statements flattened = 400 [2021-12-19 19:10:09,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:10:09,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:10:09,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:10:09,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:10:09,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:10:09,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:10:09,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:10:09,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:10:09,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (1/1) ... [2021-12-19 19:10:09,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:10:09,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:10:09,369 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) [2021-12-19 19:10:09,370 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 [2021-12-19 19:10:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:10:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:10:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:10:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:10:09,491 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:10:09,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:10:09,822 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:10:09,828 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:10:09,828 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 19:10:09,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:09 BoogieIcfgContainer [2021-12-19 19:10:09,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:10:09,835 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:10:09,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:10:09,839 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:10:09,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:09,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:10:08" (1/3) ... [2021-12-19 19:10:09,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@503c6615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:10:09, skipping insertion in model container [2021-12-19 19:10:09,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:09,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:10:09" (2/3) ... [2021-12-19 19:10:09,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@503c6615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:10:09, skipping insertion in model container [2021-12-19 19:10:09,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:10:09,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:09" (3/3) ... [2021-12-19 19:10:09,843 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-12-19 19:10:09,887 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:10:09,887 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:10:09,887 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:10:09,887 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:10:09,887 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:10:09,888 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:10:09,888 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:10:09,888 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:10:09,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:10:09,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-19 19:10:09,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:09,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:09,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:09,975 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:09,975 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:10:09,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:10:09,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-19 19:10:09,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:09,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:09,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:09,991 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:09,999 INFO L791 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~6#1, main_~tmp~4#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 73#L746true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3#L739true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 6#L754true main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 46#L642true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 41#L614true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 93#L425true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 56#L667-2true [2021-12-19 19:10:10,000 INFO L793 eck$LassoCheckResult]: Loop: 56#L667-2true assume !false; 33#L668true assume test_~splverifierCounter~0#1 < 4; 101#L669true test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 11#L677true assume !(0 != test_~tmp~5#1); 59#L677-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 52#L687true assume !(0 != test_~tmp___0~1#1); 64#L687-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 34#L697true assume 0 != test_~tmp___2~0#1; 78#L703-2true assume { :begin_inline_timeShift } true; 9#L768true assume !(0 != ~pumpRunning~0); 10#L768-2true assume !(0 != ~systemActive~0); 49#L775-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 24#L507true __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 40#L436true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 27#L436-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 111#L785true assume { :end_inline_timeShift } true; 56#L667-2true [2021-12-19 19:10:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,009 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-19 19:10:10,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595762143] [2021-12-19 19:10:10,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,097 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1032421930, now seen corresponding path program 1 times [2021-12-19 19:10:10,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427943439] [2021-12-19 19:10:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,171 INFO L85 PathProgramCache]: Analyzing trace with hash 870134547, now seen corresponding path program 1 times [2021-12-19 19:10:10,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890969513] [2021-12-19 19:10:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:10:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:10:10,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:10:10,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890969513] [2021-12-19 19:10:10,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890969513] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:10:10,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:10:10,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:10:10,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422367743] [2021-12-19 19:10:10,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:10:10,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:10:10,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 19:10:10,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-19 19:10:10,480 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:10:10,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:10:10,595 INFO L93 Difference]: Finished difference Result 273 states and 354 transitions. [2021-12-19 19:10:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 19:10:10,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 273 states and 354 transitions. [2021-12-19 19:10:10,615 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2021-12-19 19:10:10,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 273 states to 243 states and 324 transitions. [2021-12-19 19:10:10,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2021-12-19 19:10:10,623 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2021-12-19 19:10:10,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 324 transitions. [2021-12-19 19:10:10,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:10:10,625 INFO L681 BuchiCegarLoop]: Abstraction has 243 states and 324 transitions. [2021-12-19 19:10:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 324 transitions. [2021-12-19 19:10:10,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 152. [2021-12-19 19:10:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 151 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 19:10:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2021-12-19 19:10:10,652 INFO L704 BuchiCegarLoop]: Abstraction has 152 states and 203 transitions. [2021-12-19 19:10:10,652 INFO L587 BuchiCegarLoop]: Abstraction has 152 states and 203 transitions. [2021-12-19 19:10:10,652 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:10:10,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 203 transitions. [2021-12-19 19:10:10,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2021-12-19 19:10:10,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:10:10,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:10:10,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:10:10,655 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] [2021-12-19 19:10:10,655 INFO L791 eck$LassoCheckResult]: Stem: 498#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~6#1, main_~tmp~4#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 459#L746 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 401#L739 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 402#L754 main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 403#L642 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 456#L614 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 457#L425 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 476#L667-2 [2021-12-19 19:10:10,655 INFO L793 eck$LassoCheckResult]: Loop: 476#L667-2 assume !false; 449#L668 assume test_~splverifierCounter~0#1 < 4; 450#L669 test_~tmp~5#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 412#L677 assume !(0 != test_~tmp~5#1); 414#L677-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 470#L687 assume !(0 != test_~tmp___0~1#1); 472#L687-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 451#L697 assume 0 != test_~tmp___2~0#1; 421#L703-2 assume { :begin_inline_timeShift } true; 408#L768 assume !(0 != ~pumpRunning~0); 409#L768-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 411#L800 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 430#L792-1 assume { :end_inline_processEnvironment__wrappee__base } true; 425#L800-1 assume { :end_inline_processEnvironment } true; 467#L775-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 438#L507 __utac_acc__Specification2_spec__2_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret27#1;havoc __utac_acc__Specification2_spec__2_#t~ret27#1; 439#L436 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 441#L436-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 444#L785 assume { :end_inline_timeShift } true; 476#L667-2 [2021-12-19 19:10:10,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,656 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-19 19:10:10,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397272274] [2021-12-19 19:10:10,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,684 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1377565590, now seen corresponding path program 1 times [2021-12-19 19:10:10,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328308565] [2021-12-19 19:10:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,707 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:10:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1487653363, now seen corresponding path program 1 times [2021-12-19 19:10:10,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:10:10,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972075740] [2021-12-19 19:10:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:10:10,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:10:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,721 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:10:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:10:10,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:10:13,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:10:13 BoogieIcfgContainer [2021-12-19 19:10:13,629 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:10:13,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:10:13,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:10:13,630 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:10:13,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:10:09" (3/4) ... [2021-12-19 19:10:13,632 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:10:13,670 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:10:13,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:10:13,671 INFO L158 Benchmark]: Toolchain (without parser) took 4894.29ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 57.0MB in the beginning and 55.8MB in the end (delta: 1.2MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,671 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:10:13,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.47ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 57.3MB in the end (delta: -431.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.98ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 54.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,672 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 52.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,673 INFO L158 Benchmark]: RCFGBuilder took 498.64ms. Allocated memory is still 88.1MB. Free memory was 52.8MB in the beginning and 35.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,673 INFO L158 Benchmark]: BuchiAutomizer took 3793.89ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 35.6MB in the beginning and 57.9MB in the end (delta: -22.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,673 INFO L158 Benchmark]: Witness Printer took 40.67ms. Allocated memory is still 134.2MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-19 19:10:13,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.47ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 57.3MB in the end (delta: -431.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.98ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 54.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 88.1MB. Free memory was 54.4MB in the beginning and 52.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.64ms. Allocated memory is still 88.1MB. Free memory was 52.8MB in the beginning and 35.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3793.89ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 35.6MB in the beginning and 57.9MB in the end (delta: -22.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 40.67ms. Allocated memory is still 134.2MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 152 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 152 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 505 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 847 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 713 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 134 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 667]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30b688e3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1aaaeac6=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e7fbad1=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@536cc8c2=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38acb67=0, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@783f112c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4087866a=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41a6b52d=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 667]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L419] int methAndRunningLastTime ; [L464] int waterLevel = 1; [L465] int methaneLevelCritical = 0; [L553] int cleanupTimeShifts = 4; [L761] int pumpRunning = 0; [L762] int systemActive = 1; [L633] int retValue_acc ; [L634] int tmp ; [L638] FCALL select_helpers() [L639] FCALL select_features() [L640] CALL, EXPR valid_product() [L750] int retValue_acc ; [L753] retValue_acc = 1 [L754] return (retValue_acc); [L640] RET, EXPR valid_product() [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L644] FCALL setup() [L645] CALL runTest() [L623] CALL __utac_acc__Specification2_spec__1() [L424] methAndRunningLastTime = 0 [L623] RET __utac_acc__Specification2_spec__1() [L624] CALL test() [L658] int splverifierCounter ; [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L662] int tmp___2 ; [L665] splverifierCounter = 0 Loop: [L667] COND TRUE 1 [L669] COND TRUE splverifierCounter < 4 [L675] tmp = __VERIFIER_nondet_int() [L677] COND FALSE !(\read(tmp)) [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) [L695] tmp___2 = __VERIFIER_nondet_int() [L697] COND TRUE \read(tmp___2) [L712] CALL timeShift() [L768] COND FALSE !(\read(pumpRunning)) [L775] COND TRUE \read(systemActive) [L777] CALL processEnvironment() [L797] int tmp ; [L800] COND FALSE !(\read(pumpRunning)) [L815] FCALL processEnvironment__wrappee__base() [L777] RET processEnvironment() [L783] CALL __utac_acc__Specification2_spec__2() [L429] int tmp ; [L430] int tmp___0 ; [L434] CALL, EXPR isMethaneLevelCritical() [L503] int retValue_acc ; [L506] retValue_acc = methaneLevelCritical [L507] return (retValue_acc); [L434] RET, EXPR isMethaneLevelCritical() [L434] tmp = isMethaneLevelCritical() [L436] COND FALSE !(\read(tmp)) [L452] methAndRunningLastTime = 0 [L783] RET __utac_acc__Specification2_spec__2() [L712] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-19 19:10:13,713 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)