./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_spec5_product10.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 ab82c8e8fe21510389466dda99e28f6fdca47ffb ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 20:32:55,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:32:55,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:32:55,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:32:55,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:32:55,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:32:55,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:32:55,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:32:55,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:32:55,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:32:55,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:32:55,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:32:55,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:32:55,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:32:55,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:32:55,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:32:55,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:32:55,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:32:55,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:32:55,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:32:55,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:32:55,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:32:55,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:32:55,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:32:55,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:32:55,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:32:55,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:32:55,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:32:55,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:32:55,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:32:55,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:32:55,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:32:55,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:32:55,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:32:55,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:32:55,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:32:55,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:32:55,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:32:55,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:32:55,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:32:55,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:32:55,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:32:55,351 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:32:55,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:32:55,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:32:55,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:32:55,357 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:32:55,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:32:55,358 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:32:55,358 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:32:55,358 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:32:55,358 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:32:55,358 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:32:55,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:32:55,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:32:55,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:32:55,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:32:55,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:32:55,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:32:55,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:32:55,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:32:55,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab82c8e8fe21510389466dda99e28f6fdca47ffb [2021-07-06 20:32:55,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:32:55,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:32:55,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:32:55,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:32:55,645 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:32:55,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2021-07-06 20:32:55,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76611f24/b729ba84c8c043a282a7e9d1eca8cee8/FLAGf403fa8ec [2021-07-06 20:32:56,067 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:32:56,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2021-07-06 20:32:56,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76611f24/b729ba84c8c043a282a7e9d1eca8cee8/FLAGf403fa8ec [2021-07-06 20:32:56,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76611f24/b729ba84c8c043a282a7e9d1eca8cee8 [2021-07-06 20:32:56,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:32:56,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:32:56,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:56,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:32:56,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:32:56,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2b9f18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56, skipping insertion in model container [2021-07-06 20:32:56,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:32:56,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:32:56,378 WARN L224 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_spec5_product10.cil.c[15997,16010] [2021-07-06 20:32:56,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:56,397 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:32:56,459 WARN L224 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_spec5_product10.cil.c[15997,16010] [2021-07-06 20:32:56,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:56,489 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:32:56,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56 WrapperNode [2021-07-06 20:32:56,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:56,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:56,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:32:56,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:32:56,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:56,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:32:56,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:32:56,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:32:56,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:32:56,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:32:56,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:32:56,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:32:56,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (1/1) ... [2021-07-06 20:32:56,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:32:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:32:56,621 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) [2021-07-06 20:32:56,640 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 [2021-07-06 20:32:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:32:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:32:56,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:32:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:32:57,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:32:57,299 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-07-06 20:32:57,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:57 BoogieIcfgContainer [2021-07-06 20:32:57,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:32:57,302 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:32:57,302 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:32:57,304 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:32:57,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:57,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:32:56" (1/3) ... [2021-07-06 20:32:57,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46800c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:57, skipping insertion in model container [2021-07-06 20:32:57,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:57,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:56" (2/3) ... [2021-07-06 20:32:57,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46800c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:57, skipping insertion in model container [2021-07-06 20:32:57,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:57,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:57" (3/3) ... [2021-07-06 20:32:57,307 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2021-07-06 20:32:57,351 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:32:57,351 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:32:57,351 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:32:57,351 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:32:57,351 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:32:57,351 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:32:57,351 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:32:57,352 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:32:57,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-07-06 20:32:57,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:32:57,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:57,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:57,390 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:57,391 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:57,391 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:32:57,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-07-06 20:32:57,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:32:57,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:57,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:57,400 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:57,400 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:57,407 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 3#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 48#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 59#L75true main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 56#L884true assume 0 != main_~tmp~6; 26#L860true ~switchedOnBeforeTS~0 := 0; 63#L174true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 46#L195-1true [2021-07-06 20:32:57,408 INFO L793 eck$LassoCheckResult]: Loop: 46#L195-1true assume !false; 38#L597true assume test_~splverifierCounter~0 < 4; 53#L598true test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 57#L606true assume !(0 != test_~tmp~4); 60#L606-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 41#L616true assume !(0 != test_~tmp___0~1); 44#L616-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 23#L626true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 34#L634-2true havoc __utac_acc__Specification5_spec__2_#t~ret18;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 25#L743true __utac_acc__Specification5_spec__2_#t~ret18 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret18;havoc __utac_acc__Specification5_spec__2_#t~ret18; 47#L184true assume !(0 != ~pumpRunning~0); 31#L666true assume 0 != ~systemActive~0; 13#L673true havoc __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_#t~ret20, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 24#L161true __utac_acc__Specification5_spec__3_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret19;havoc __utac_acc__Specification5_spec__3_#t~ret19; 49#L195true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 46#L195-1true [2021-07-06 20:32:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:57,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:32:57,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:57,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216992154] [2021-07-06 20:32:57,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:57,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:57,599 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:57,668 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:57,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2021-07-06 20:32:57,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:57,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014222901] [2021-07-06 20:32:57,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:57,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:57,725 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:57,730 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:57,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:57,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2021-07-06 20:32:57,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:57,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534845598] [2021-07-06 20:32:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:57,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:32:57,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:57,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:57,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:57,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:57,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:57,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:32:57,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:32:57,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534845598] [2021-07-06 20:32:57,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534845598] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:32:57,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:32:57,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:32:57,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035037849] [2021-07-06 20:32:57,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:57,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-06 20:32:57,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:32:57,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-06 20:32:57,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-06 20:32:57,978 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-06 20:32:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:32:58,099 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-07-06 20:32:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 20:32:58,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-07-06 20:32:58,107 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-07-06 20:32:58,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-07-06 20:32:58,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-07-06 20:32:58,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-07-06 20:32:58,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-07-06 20:32:58,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:32:58,113 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-07-06 20:32:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-07-06 20:32:58,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-07-06 20:32:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) 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) [2021-07-06 20:32:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-07-06 20:32:58,135 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-07-06 20:32:58,135 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-07-06 20:32:58,135 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:32:58,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-07-06 20:32:58,137 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-07-06 20:32:58,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:58,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:58,137 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:58,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:58,138 INFO L791 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 244#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 245#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 306#L75 main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 311#L884 assume 0 != main_~tmp~6; 278#L860 ~switchedOnBeforeTS~0 := 0; 279#L174 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 292#L195-1 [2021-07-06 20:32:58,138 INFO L793 eck$LassoCheckResult]: Loop: 292#L195-1 assume !false; 296#L597 assume test_~splverifierCounter~0 < 4; 297#L598 test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 310#L606 assume !(0 != test_~tmp~4); 312#L606-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 301#L616 assume !(0 != test_~tmp___0~1); 303#L616-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 272#L626 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 274#L634-2 havoc __utac_acc__Specification5_spec__2_#t~ret18;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 276#L743 __utac_acc__Specification5_spec__2_#t~ret18 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret18;havoc __utac_acc__Specification5_spec__2_#t~ret18; 277#L184 assume !(0 != ~pumpRunning~0); 286#L666 assume 0 != ~systemActive~0; 260#L673 havoc __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_#t~ret20, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 261#L161 __utac_acc__Specification5_spec__3_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret19;havoc __utac_acc__Specification5_spec__3_#t~ret19; 275#L195 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 280#L743-1 __utac_acc__Specification5_spec__3_#t~ret20 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret20;havoc __utac_acc__Specification5_spec__3_#t~ret20; 281#L199 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 292#L195-1 [2021-07-06 20:32:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:58,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-07-06 20:32:58,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:58,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392180577] [2021-07-06 20:32:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:58,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,161 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,201 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2021-07-06 20:32:58,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:58,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735888659] [2021-07-06 20:32:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:58,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,211 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,213 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:58,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:58,216 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2021-07-06 20:32:58,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:58,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757775407] [2021-07-06 20:32:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:58,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,236 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:58,254 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:58,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:58,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-06 20:33:41,383 WARN L205 SmtUtils]: Spent 43.02 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:33:41,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:41,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:34:03,198 WARN L205 SmtUtils]: Spent 21.75 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:34:03,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:34:03 BoogieIcfgContainer [2021-07-06 20:34:03,261 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:34:03,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:34:03,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:34:03,262 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:34:03,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:57" (3/4) ... [2021-07-06 20:34:03,264 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:34:03,290 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:34:03,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:34:03,292 INFO L168 Benchmark]: Toolchain (without parser) took 67201.44 ms. Allocated memory was 58.7 MB in the beginning and 199.2 MB in the end (delta: 140.5 MB). Free memory was 35.7 MB in the beginning and 143.3 MB in the end (delta: -107.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,292 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:34:03,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.51 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 35.5 MB in the beginning and 71.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.12 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 68.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,293 INFO L168 Benchmark]: Boogie Preprocessor took 46.35 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 66.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,293 INFO L168 Benchmark]: RCFGBuilder took 701.35 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 46.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,293 INFO L168 Benchmark]: BuchiAutomizer took 65959.35 ms. Allocated memory was 98.6 MB in the beginning and 199.2 MB in the end (delta: 100.7 MB). Free memory was 46.1 MB in the beginning and 145.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,294 INFO L168 Benchmark]: Witness Printer took 29.50 ms. Allocated memory is still 199.2 MB. Free memory was 145.4 MB in the beginning and 143.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:03,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.51 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 35.5 MB in the beginning and 71.3 MB in the end (delta: -35.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.12 ms. Allocated memory is still 98.6 MB. Free memory was 70.9 MB in the beginning and 68.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.35 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 66.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 701.35 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 46.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 65959.35 ms. Allocated memory was 98.6 MB in the beginning and 199.2 MB in the end (delta: 100.7 MB). Free memory was 46.1 MB in the beginning and 145.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 16.1 GB. * Witness Printer took 29.50 ms. Allocated memory is still 199.2 MB. Free memory was 145.4 MB in the beginning and 143.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 65.6s. 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 13.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.0ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 596]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=25273} State at position 1 is {NULL=25276, NULL=0, NULL=0, NULL=25273, NULL=0, NULL=25295, NULL=0, NULL=0, NULL=25290, NULL=0, NULL=0, retValue_acc=0, NULL=25301, NULL=25282, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c410161=0, NULL=0, tmp=0, NULL=0, NULL=25275, NULL=0, tmp___1=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76cb3a40=0, NULL=25288, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=25284, NULL=25294, \result=0, NULL=25298, NULL=25274, NULL=0, systemActive=1, waterLevel=1, NULL=25289, \result=1, NULL=0, NULL=25287, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=25281, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=25300, \result=0, NULL=25299, NULL=0, NULL=0, tmp=1, NULL=0, NULL=25286, NULL=25293, NULL=0, NULL=0, NULL=25297, NULL=0, NULL=25280, retValue_acc=1, tmp___2=85, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=25296, NULL=25277, NULL=25279, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@175f4e87=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c11c93f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@929a20=85, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67278543=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8f20dc1=0, head=0, NULL=0, NULL=25285, NULL=25283, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b858c1a=0, NULL=25278, retValue_acc=0, NULL=0, NULL=25292, NULL=25291} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L168] int switchedOnBeforeTS ; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L656] int pumpRunning = 0; [L657] int systemActive = 1; [L801] int cleanupTimeShifts = 4; [L875] int retValue_acc ; [L876] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L882] tmp = valid_product() [L884] COND TRUE \read(tmp) [L173] switchedOnBeforeTS = 0 [L587] int splverifierCounter ; [L588] int tmp ; [L589] int tmp___0 ; [L590] int tmp___1 ; [L591] int tmp___2 ; [L594] splverifierCounter = 0 Loop: [L596] COND TRUE 1 [L598] COND TRUE splverifierCounter < 4 [L604] tmp = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp)) [L614] tmp___0 = __VERIFIER_nondet_int() [L616] COND FALSE !(\read(tmp___0)) [L624] tmp___2 = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp___2) [L787] systemActive = 1 [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); [L182] switchedOnBeforeTS = isPumpRunning() [L666] COND FALSE !(\read(pumpRunning)) [L673] COND TRUE \read(systemActive) [L188] int tmp ; [L189] int tmp___0 ; [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); [L193] tmp = getWaterLevel() [L195] COND TRUE tmp != 2 [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); [L197] tmp___0 = isPumpRunning() [L199] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:34:03,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...