./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product13.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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:16:22,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:16:22,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:16:22,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:16:22,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:16:22,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:16:22,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:16:22,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:16:22,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:16:22,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:16:22,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:16:22,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:16:22,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:16:22,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:16:22,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:16:22,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:16:22,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:16:22,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:16:22,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:16:22,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:16:22,360 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:16:22,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:16:22,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:16:22,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:16:22,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:16:22,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:16:22,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:16:22,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:16:22,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:16:22,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:16:22,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:16:22,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:16:22,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:16:22,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:16:22,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:16:22,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:16:22,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:16:22,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:16:22,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:16:22,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:16:22,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:16:22,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:16:22,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:16:22,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:16:22,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:16:22,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:16:22,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:16:22,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:16:22,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:16:22,389 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:16:22,389 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:16:22,389 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:16:22,389 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:16:22,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:16:22,390 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:16:22,390 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:16:22,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:16:22,390 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:16:22,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:16:22,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:16:22,392 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:16:22,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:16:22,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:16:22,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:16:22,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:16:22,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:16:22,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:16:22,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:16:22,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:16:22,394 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:16:22,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2022-07-13 04:16:22,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:16:22,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:16:22,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:16:22,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:16:22,586 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:16:22,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-07-13 04:16:22,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfc52e7a/10ea79d43cf6484ea4c38b867f128061/FLAGf1b5d5c1a [2022-07-13 04:16:22,966 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:16:22,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-07-13 04:16:22,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfc52e7a/10ea79d43cf6484ea4c38b867f128061/FLAGf1b5d5c1a [2022-07-13 04:16:23,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddfc52e7a/10ea79d43cf6484ea4c38b867f128061 [2022-07-13 04:16:23,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:16:23,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:16:23,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:23,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:16:23,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:16:23,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7cfd48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23, skipping insertion in model container [2022-07-13 04:16:23,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:16:23,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:16:23,672 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_product13.cil.c[12494,12507] [2022-07-13 04:16:23,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:23,693 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:16:23,722 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_product13.cil.c[12494,12507] [2022-07-13 04:16:23,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:23,743 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:16:23,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23 WrapperNode [2022-07-13 04:16:23,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:23,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:23,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:16:23,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:16:23,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,777 INFO L137 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 359 [2022-07-13 04:16:23,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:23,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:16:23,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:16:23,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:16:23,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:16:23,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:16:23,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:16:23,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:16:23,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (1/1) ... [2022-07-13 04:16:23,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:16:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:16:23,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:16:23,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:16:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:16:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:16:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:16:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:16:23,937 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:16:23,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:16:24,157 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:16:24,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:16:24,162 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:16:24,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:24 BoogieIcfgContainer [2022-07-13 04:16:24,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:16:24,164 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:16:24,164 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:16:24,166 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:16:24,167 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:24,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:16:23" (1/3) ... [2022-07-13 04:16:24,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30351dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:24, skipping insertion in model container [2022-07-13 04:16:24,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:24,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:23" (2/3) ... [2022-07-13 04:16:24,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30351dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:24, skipping insertion in model container [2022-07-13 04:16:24,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:24,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:24" (3/3) ... [2022-07-13 04:16:24,169 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2022-07-13 04:16:24,215 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:16:24,229 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:16:24,230 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:16:24,230 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:16:24,230 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:16:24,230 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:16:24,230 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:16:24,230 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:16:24,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:24,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-13 04:16:24,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:24,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:24,270 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,271 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,271 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:16:24,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:24,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-13 04:16:24,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:24,277 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:24,278 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,278 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,281 INFO L752 eck$LassoCheckResult]: Stem: 70#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 94#L536true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L529true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 53#L544true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 33#L634true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 73#L610true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 91#L685-2true [2022-07-13 04:16:24,282 INFO L754 eck$LassoCheckResult]: Loop: 91#L685-2true assume !false; 95#L686true assume test_~splverifierCounter~0#1 < 4; 74#L687true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 86#L695true assume !(0 != test_~tmp~5#1); 55#L695-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 49#L705true assume !(0 != test_~tmp___0~1#1); 76#L705-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 15#L715true assume 0 != test_~tmp___2~0#1; 12#L721-2true assume { :begin_inline_timeShift } true; 8#L749true assume !(0 != ~pumpRunning~0); 80#L749-2true assume !(0 != ~systemActive~0); 75#L756-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~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; 83#L465-1true __utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 93#L657true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 32#L657-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 10#L766true assume { :end_inline_timeShift } true; 91#L685-2true [2022-07-13 04:16:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:16:24,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810830245] [2022-07-13 04:16:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,413 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:24,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-07-13 04:16:24,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390554262] [2022-07-13 04:16:24,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:24,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,512 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-07-13 04:16:24,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202946336] [2022-07-13 04:16:24,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:16:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:16:24,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:16:24,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202946336] [2022-07-13 04:16:24,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202946336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:16:24,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:16:24,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:16:24,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292260515] [2022-07-13 04:16:24,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:16:24,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:16:24,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:16:24,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:16:24,837 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-07-13 04:16:24,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:16:24,920 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-07-13 04:16:24,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:16:24,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-07-13 04:16:24,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-07-13 04:16:24,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-07-13 04:16:24,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-07-13 04:16:24,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-07-13 04:16:24,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-07-13 04:16:24,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:16:24,932 INFO L369 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-13 04:16:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-07-13 04:16:24,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-13 04:16:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-07-13 04:16:24,954 INFO L392 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-13 04:16:24,954 INFO L374 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-13 04:16:24,954 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:16:24,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-07-13 04:16:24,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-07-13 04:16:24,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:24,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:24,956 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,956 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:24,956 INFO L752 eck$LassoCheckResult]: Stem: 283#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 273#L536 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 240#L529 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 241#L544 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 247#L634 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 248#L610 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#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; 221#L685-2 [2022-07-13 04:16:24,956 INFO L754 eck$LassoCheckResult]: Loop: 221#L685-2 assume !false; 289#L686 assume test_~splverifierCounter~0#1 < 4; 285#L687 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 286#L695 assume !(0 != test_~tmp~5#1); 256#L695-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 266#L705 assume !(0 != test_~tmp___0~1#1); 267#L705-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 228#L715 assume 0 != test_~tmp___2~0#1; 224#L721-2 assume { :begin_inline_timeShift } true; 215#L749 assume !(0 != ~pumpRunning~0); 216#L749-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 249#L781 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 251#L773-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 210#L781-1 assume { :end_inline_processEnvironment } true; 230#L756-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~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; 284#L465-1 __utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 288#L657 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 246#L657-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 220#L766 assume { :end_inline_timeShift } true; 221#L685-2 [2022-07-13 04:16:24,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:16:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469948379] [2022-07-13 04:16:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-07-13 04:16:24,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105651163] [2022-07-13 04:16:24,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,987 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:24,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:24,991 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-07-13 04:16:24,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:24,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972807480] [2022-07-13 04:16:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:24,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:25,001 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:25,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:27,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:16:27 BoogieIcfgContainer [2022-07-13 04:16:27,233 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:16:27,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:16:27,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:16:27,234 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:16:27,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:24" (3/4) ... [2022-07-13 04:16:27,236 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:16:27,281 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:16:27,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:16:27,282 INFO L158 Benchmark]: Toolchain (without parser) took 3900.55ms. Allocated memory was 98.6MB in the beginning and 167.8MB in the end (delta: 69.2MB). Free memory was 68.5MB in the beginning and 85.5MB in the end (delta: -17.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,282 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:16:27,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.61ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 68.3MB in the beginning and 91.8MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 88.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,283 INFO L158 Benchmark]: Boogie Preprocessor took 17.94ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 87.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,283 INFO L158 Benchmark]: RCFGBuilder took 366.76ms. Allocated memory is still 123.7MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,284 INFO L158 Benchmark]: BuchiAutomizer took 3069.66ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 87.6MB in the end (delta: -16.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,284 INFO L158 Benchmark]: Witness Printer took 47.57ms. Allocated memory is still 167.8MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:27,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.61ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 68.3MB in the beginning and 91.8MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 88.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.94ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 87.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.76ms. Allocated memory is still 123.7MB. Free memory was 87.1MB in the beginning and 70.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3069.66ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 87.6MB in the end (delta: -16.8MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 47.57ms. Allocated memory is still 167.8MB. Free memory was 87.6MB in the beginning and 85.5MB 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 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 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, 110 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 685]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ba5374a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d3e8f9=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23bcd745=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34b0fbad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@638b15b2=0, \result=1, retValue_acc=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54b6636f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6940fc62=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76ba0566=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 685]: 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; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 Loop: [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:16:27,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)