./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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_product08.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 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:39:49,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:39:49,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:39:49,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:39:49,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:39:49,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:39:49,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:39:49,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:39:49,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:39:49,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:39:49,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:39:49,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:39:49,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:39:49,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:39:49,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:39:49,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:39:49,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:39:49,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:39:49,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:39:49,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:39:49,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:39:49,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:39:49,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:39:49,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:39:49,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:39:49,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:39:49,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:39:49,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:39:49,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:39:49,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:39:49,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:39:49,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:39:49,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:39:49,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:39:49,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:39:49,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:39:49,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:39:49,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:39:49,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:39:49,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:39:49,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:39:49,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:39:49,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:39:49,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:39:49,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:39:49,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:39:49,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:39:49,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:39:49,339 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:39:49,339 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:39:49,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:39:49,339 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:39:49,340 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:39:49,340 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:39:49,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:39:49,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:39:49,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:39:49,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:39:49,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:39:49,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:39:49,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:39:49,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:39:49,344 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:39:49,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d91e56d61e49620ea5a2c0236a89cbd5cce3c0ef7c136160e7b734dcc26431 [2021-12-28 09:39:49,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:39:49,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:39:49,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:39:49,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:39:49,656 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:39:49,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-12-28 09:39:49,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0645cec50/0786b2eb27a240a3b5131ba23b7ed0a0/FLAGdcbb7a877 [2021-12-28 09:39:50,096 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:39:50,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product08.cil.c [2021-12-28 09:39:50,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0645cec50/0786b2eb27a240a3b5131ba23b7ed0a0/FLAGdcbb7a877 [2021-12-28 09:39:50,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0645cec50/0786b2eb27a240a3b5131ba23b7ed0a0 [2021-12-28 09:39:50,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:39:50,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:39:50,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:50,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:39:50,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:39:50,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59041e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50, skipping insertion in model container [2021-12-28 09:39:50,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:39:50,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:39:50,396 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_product08.cil.c[13819,13832] [2021-12-28 09:39:50,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:50,434 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:39:50,489 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_product08.cil.c[13819,13832] [2021-12-28 09:39:50,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:50,520 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:39:50,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50 WrapperNode [2021-12-28 09:39:50,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:50,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:50,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:39:50,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:39:50,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,582 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 49, calls inlined = 51, statements flattened = 385 [2021-12-28 09:39:50,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:50,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:39:50,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:39:50,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:39:50,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:39:50,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:39:50,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:39:50,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:39:50,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (1/1) ... [2021-12-28 09:39:50,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:39:50,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:39:50,654 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) [2021-12-28 09:39:50,673 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 [2021-12-28 09:39:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:39:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:39:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:39:50,766 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:39:50,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:39:51,046 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:39:51,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:39:51,051 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:39:51,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:51 BoogieIcfgContainer [2021-12-28 09:39:51,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:39:51,054 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:39:51,054 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:39:51,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:39:51,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:51,056 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:39:50" (1/3) ... [2021-12-28 09:39:51,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:51, skipping insertion in model container [2021-12-28 09:39:51,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:51,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:50" (2/3) ... [2021-12-28 09:39:51,058 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:51, skipping insertion in model container [2021-12-28 09:39:51,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:51,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:51" (3/3) ... [2021-12-28 09:39:51,059 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2021-12-28 09:39:51,093 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:39:51,094 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:39:51,094 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:39:51,094 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:39:51,094 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:39:51,094 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:39:51,094 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:39:51,094 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:39:51,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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) [2021-12-28 09:39:51,130 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-12-28 09:39:51,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:51,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:51,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:51,136 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:51,136 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:39:51,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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) [2021-12-28 09:39:51,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-12-28 09:39:51,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:51,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:51,149 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:51,149 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:51,155 INFO L791 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 84#L637true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L630true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 107#L645true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 83#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 91#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 105#L657true assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 89#L702-2true [2021-12-28 09:39:51,156 INFO L793 eck$LassoCheckResult]: Loop: 89#L702-2true assume !false; 10#L703true assume test_~splverifierCounter~0#1 < 4; 43#L704true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 58#L712true assume !(0 != test_~tmp~5#1); 47#L712-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 56#L722true assume !(0 != test_~tmp___0~1#1); 106#L722-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 23#L732true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 75#L915true assume { :end_inline_startSystem } true; 30#L740-2true assume { :begin_inline_timeShift } true; 38#L770true assume !(0 != ~pumpRunning~0); 97#L770-2true assume !(0 != ~systemActive~0); 21#L777-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_#t~ret35#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 6#L569-1true __utac_acc__Specification2_spec__2_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret34#1;havoc __utac_acc__Specification2_spec__2_#t~ret34#1; 31#L668true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 94#L668-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 95#L787true assume { :end_inline_timeShift } true; 89#L702-2true [2021-12-28 09:39:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:51,160 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-28 09:39:51,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:51,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455341334] [2021-12-28 09:39:51,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:51,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,238 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,267 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:51,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:51,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1213105161, now seen corresponding path program 1 times [2021-12-28 09:39:51,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:51,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264424741] [2021-12-28 09:39:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:51,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:39:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:39:51,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:39:51,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264424741] [2021-12-28 09:39:51,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264424741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:39:51,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:39:51,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:39:51,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142502461] [2021-12-28 09:39:51,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:39:51,312 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:39:51,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:39:51,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:39:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:39:51,337 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-12-28 09:39:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:39:51,397 INFO L93 Difference]: Finished difference Result 194 states and 250 transitions. [2021-12-28 09:39:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:39:51,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 250 transitions. [2021-12-28 09:39:51,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2021-12-28 09:39:51,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 174 states and 229 transitions. [2021-12-28 09:39:51,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2021-12-28 09:39:51,408 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2021-12-28 09:39:51,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 229 transitions. [2021-12-28 09:39:51,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:39:51,409 INFO L681 BuchiCegarLoop]: Abstraction has 174 states and 229 transitions. [2021-12-28 09:39:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 229 transitions. [2021-12-28 09:39:51,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2021-12-28 09:39:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.3157894736842106) internal successors, (225), 170 states have internal predecessors, (225), 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) [2021-12-28 09:39:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 225 transitions. [2021-12-28 09:39:51,434 INFO L704 BuchiCegarLoop]: Abstraction has 171 states and 225 transitions. [2021-12-28 09:39:51,434 INFO L587 BuchiCegarLoop]: Abstraction has 171 states and 225 transitions. [2021-12-28 09:39:51,434 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:39:51,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 225 transitions. [2021-12-28 09:39:51,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 121 [2021-12-28 09:39:51,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:51,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:51,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:51,436 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, 1] [2021-12-28 09:39:51,436 INFO L791 eck$LassoCheckResult]: Stem: 392#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 382#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 378#L637 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 337#L630 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 338#L645 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 374#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 375#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 386#L657 assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 415#L702-2 [2021-12-28 09:39:51,437 INFO L793 eck$LassoCheckResult]: Loop: 415#L702-2 assume !false; 431#L703 assume test_~splverifierCounter~0#1 < 4; 432#L704 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 414#L712 assume !(0 != test_~tmp~5#1); 309#L712-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 407#L722 assume !(0 != test_~tmp___0~1#1); 350#L722-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 356#L732 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 354#L915 assume { :end_inline_startSystem } true; 355#L740-2 assume { :begin_inline_timeShift } true; 372#L770 assume !(0 != ~pumpRunning~0); 399#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 394#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 391#L794-1 assume { :end_inline_processEnvironment__wrappee__base } true; 323#L802-1 assume { :end_inline_processEnvironment } true; 353#L777-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_#t~ret35#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 317#L569-1 __utac_acc__Specification2_spec__2_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret34#1;havoc __utac_acc__Specification2_spec__2_#t~ret34#1; 318#L668 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 434#L668-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 433#L787 assume { :end_inline_timeShift } true; 415#L702-2 [2021-12-28 09:39:51,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:51,437 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-28 09:39:51,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:51,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641550628] [2021-12-28 09:39:51,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:51,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,451 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,467 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1544573191, now seen corresponding path program 1 times [2021-12-28 09:39:51,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:51,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072890076] [2021-12-28 09:39:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:51,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,473 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:51,479 INFO L85 PathProgramCache]: Analyzing trace with hash -172047518, now seen corresponding path program 1 times [2021-12-28 09:39:51,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:51,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580109095] [2021-12-28 09:39:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:51,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,513 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:51,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:54,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:39:54 BoogieIcfgContainer [2021-12-28 09:39:54,096 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:39:54,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:39:54,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:39:54,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:39:54,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:51" (3/4) ... [2021-12-28 09:39:54,099 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:39:54,141 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:39:54,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:39:54,142 INFO L158 Benchmark]: Toolchain (without parser) took 4017.97ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 36.1MB in the beginning and 28.6MB in the end (delta: 7.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,142 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 40.4MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:39:54,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.08ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 33.4MB in the end (delta: 2.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.03ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 30.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:39:54,143 INFO L158 Benchmark]: Boogie Preprocessor took 32.33ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 28.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,144 INFO L158 Benchmark]: RCFGBuilder took 437.34ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 43.4MB in the end (delta: -14.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,144 INFO L158 Benchmark]: BuchiAutomizer took 3042.93ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.1MB in the beginning and 30.6MB in the end (delta: 12.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,145 INFO L158 Benchmark]: Witness Printer took 44.24ms. Allocated memory is still 96.5MB. Free memory was 30.6MB in the beginning and 28.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:39:54,147 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 58.7MB. Free memory was 40.4MB in the beginning and 40.4MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.08ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 33.4MB in the end (delta: 2.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.03ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 30.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.33ms. Allocated memory is still 58.7MB. Free memory was 30.6MB in the beginning and 28.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 437.34ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 43.4MB in the end (delta: -14.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3042.93ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 43.1MB in the beginning and 30.6MB in the end (delta: 12.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Witness Printer took 44.24ms. Allocated memory is still 96.5MB. Free memory was 30.6MB in the beginning and 28.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 171 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 171 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 129 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 702]: 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, retValue_acc=0, NULL=1, tmp=0, methaneLevelCritical=0, tmp=0, retValue_acc=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3082e206=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f5b60d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3661cbde=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41351bd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ad46eaf=0, tmp___2=29, methAndRunningLastTime=0, cleanupTimeShifts=4, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d7d4e96=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d43904=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334a0d5f=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L526] int waterLevel = 1; [L527] int methaneLevelCritical = 0; [L651] int methAndRunningLastTime ; [L763] int pumpRunning = 0; [L764] int systemActive = 1; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L641] int retValue_acc ; [L644] retValue_acc = 1 [L645] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L656] methAndRunningLastTime = 0 [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L734] CALL startSystem() [L914] systemActive = 1 [L734] RET startSystem() [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification2_spec__2() [L661] int tmp ; [L662] int tmp___0 ; [L666] CALL, EXPR isMethaneLevelCritical() [L565] int retValue_acc ; [L568] retValue_acc = methaneLevelCritical [L569] return (retValue_acc); [L666] RET, EXPR isMethaneLevelCritical() [L666] tmp = isMethaneLevelCritical() [L668] COND FALSE !(\read(tmp)) [L684] methAndRunningLastTime = 0 [L785] RET __utac_acc__Specification2_spec__2() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:39:54,188 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)