./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product12.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_product12.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 8292540d375cb1a55c597ae56791bf56ca41d481 ................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:33:02,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:33:02,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:33:02,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:33:02,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:33:02,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:33:02,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:33:02,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:33:02,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:33:02,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:33:02,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:33:02,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:33:02,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:33:02,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:33:02,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:33:02,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:33:02,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:33:02,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:33:02,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:33:02,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:33:02,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:33:02,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:33:02,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:33:02,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:33:02,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:33:02,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:33:02,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:33:02,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:33:02,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:33:02,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:33:02,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:33:02,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:33:02,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:33:02,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:33:02,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:33:02,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:33:02,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:33:02,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:33:02,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:33:02,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:33:02,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:33:02,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:33:02,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:33:02,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:33:02,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:33:02,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:33:02,498 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:33:02,498 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:33:02,498 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:33:02,499 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:33:02,499 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:33:02,499 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:33:02,500 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:33:02,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:33:02,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:33:02,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:33:02,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:33:02,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:33:02,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:33:02,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:33:02,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:33:02,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:33:02,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:33:02,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:33:02,502 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:33:02,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:33:02,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:33:02,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:33:02,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:33:02,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:33:02,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:33:02,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:33:02,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:33:02,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8292540d375cb1a55c597ae56791bf56ca41d481 [2021-07-06 20:33:02,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:33:02,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:33:02,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:33:02,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:33:02,795 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:33:02,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2021-07-06 20:33:02,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62972c93e/aa6c9bcda5424edc879db8c65bd553f6/FLAG8de7b60dc [2021-07-06 20:33:03,384 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:33:03,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product12.cil.c [2021-07-06 20:33:03,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62972c93e/aa6c9bcda5424edc879db8c65bd553f6/FLAG8de7b60dc [2021-07-06 20:33:03,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62972c93e/aa6c9bcda5424edc879db8c65bd553f6 [2021-07-06 20:33:03,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:33:03,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:33:03,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:33:03,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:33:03,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:33:03,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:33:03" (1/1) ... [2021-07-06 20:33:03,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b874630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:03, skipping insertion in model container [2021-07-06 20:33:03,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:33:03" (1/1) ... [2021-07-06 20:33:03,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:33:03,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:33:04,068 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_product12.cil.c[5975,5988] [2021-07-06 20:33:04,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:33:04,121 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:33:04,146 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_product12.cil.c[5975,5988] [2021-07-06 20:33:04,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:33:04,197 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:33:04,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04 WrapperNode [2021-07-06 20:33:04,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:33:04,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:33:04,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:33:04,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:33:04,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:33:04,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:33:04,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:33:04,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:33:04,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:33:04,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:33:04,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:33:04,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:33:04,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (1/1) ... [2021-07-06 20:33:04,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:33:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:33:04,305 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 20:33:04,324 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 20:33:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:33:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:33:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:33:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:33:05,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:33:05,092 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-07-06 20:33:05,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:33:05 BoogieIcfgContainer [2021-07-06 20:33:05,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:33:05,095 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:33:05,095 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:33:05,098 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:33:05,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:33:05,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:33:03" (1/3) ... [2021-07-06 20:33:05,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97a274c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:33:05, skipping insertion in model container [2021-07-06 20:33:05,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:33:05,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:33:04" (2/3) ... [2021-07-06 20:33:05,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97a274c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:33:05, skipping insertion in model container [2021-07-06 20:33:05,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:33:05,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:33:05" (3/3) ... [2021-07-06 20:33:05,103 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2021-07-06 20:33:05,146 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:33:05,146 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:33:05,146 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:33:05,146 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:33:05,146 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:33:05,147 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:33:05,147 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:33:05,147 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:33:05,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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 20:33:05,185 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-07-06 20:33:05,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:33:05,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:33:05,192 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:33:05,193 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:33:05,193 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:33:05,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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 20:33:05,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-07-06 20:33:05,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:33:05,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:33:05,205 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:33:05,205 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:33:05,213 INFO L791 eck$LassoCheckResult]: Stem: 33#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 20#L903true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 38#L911true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 30#L501true assume 0 != main_~tmp~3; 66#L474true ~switchedOnBeforeTS~0 := 0; 12#L51true havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L72-1true [2021-07-06 20:33:05,214 INFO L793 eck$LassoCheckResult]: Loop: 56#L72-1true assume !false; 35#L348true assume test_~splverifierCounter~0 < 4; 45#L349true test_~tmp~2 := test_#t~nondet38;havoc test_#t~nondet38; 65#L357true assume !(0 != test_~tmp~2); 47#L357-1true test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 46#L367true assume !(0 != test_~tmp___0~1); 39#L367-1true test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 27#L377true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 41#L385-1true havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 13#L190true __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 57#L61true assume !(0 != ~pumpRunning~0); 7#L113true assume 0 != ~systemActive~0; 24#L120true havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __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; 58#L331true __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 59#L72true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 56#L72-1true [2021-07-06 20:33:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:33:05,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:05,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102129008] [2021-07-06 20:33:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:05,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:05,467 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:05,560 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:05,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:33:05,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:05,618 INFO L82 PathProgramCache]: Analyzing trace with hash 674243929, now seen corresponding path program 1 times [2021-07-06 20:33:05,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:05,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600606010] [2021-07-06 20:33:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:05,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:05,626 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:05,629 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:05,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:33:05,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:05,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1686698157, now seen corresponding path program 1 times [2021-07-06 20:33:05,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:05,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521072652] [2021-07-06 20:33:05,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:05,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:33:05,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:05,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:33:05,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:33:05,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:05,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:33:05,718 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 20:33:05,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:33:05,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521072652] [2021-07-06 20:33:05,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521072652] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:33:05,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:33:05,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:33:05,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851460807] [2021-07-06 20:33:05,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:05,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-06 20:33:05,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:33:05,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-06 20:33:05,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-06 20:33:05,854 INFO L87 Difference]: Start difference. First operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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 20:33:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:33:06,011 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2021-07-06 20:33:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 20:33:06,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2021-07-06 20:33:06,023 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-07-06 20:33:06,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2021-07-06 20:33:06,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2021-07-06 20:33:06,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2021-07-06 20:33:06,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2021-07-06 20:33:06,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:33:06,035 INFO L681 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2021-07-06 20:33:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2021-07-06 20:33:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2021-07-06 20:33:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 108 states have internal predecessors, (148), 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 20:33:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2021-07-06 20:33:06,063 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-07-06 20:33:06,063 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-07-06 20:33:06,063 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:33:06,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2021-07-06 20:33:06,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-07-06 20:33:06,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:33:06,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:33:06,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:33:06,065 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 20:33:06,065 INFO L791 eck$LassoCheckResult]: Stem: 299#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 280#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 281#L903 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 285#L911 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 294#L501 assume 0 != main_~tmp~3; 295#L474 ~switchedOnBeforeTS~0 := 0; 272#L51 havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 273#L72-1 [2021-07-06 20:33:06,066 INFO L793 eck$LassoCheckResult]: Loop: 273#L72-1 assume !false; 300#L348 assume test_~splverifierCounter~0 < 4; 301#L349 test_~tmp~2 := test_#t~nondet38;havoc test_#t~nondet38; 309#L357 assume !(0 != test_~tmp~2); 311#L357-1 test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; 310#L367 assume !(0 != test_~tmp___0~1); 297#L367-1 test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; 356#L377 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 304#L385-1 havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 274#L190 __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 275#L61 assume !(0 != ~pumpRunning~0); 262#L113 assume 0 != ~systemActive~0; 263#L120 havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __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; 289#L331 __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 324#L72 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 325#L190-1 __utac_acc__Specification5_spec__3_#t~ret9 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 286#L76 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 273#L72-1 [2021-07-06 20:33:06,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:06,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-07-06 20:33:06,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:06,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676491875] [2021-07-06 20:33:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:06,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,098 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,127 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,149 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:33:06,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:06,149 INFO L82 PathProgramCache]: Analyzing trace with hash -591660588, now seen corresponding path program 1 times [2021-07-06 20:33:06,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:06,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200920515] [2021-07-06 20:33:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:06,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,154 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,157 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:33:06,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:33:06,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1714272946, now seen corresponding path program 1 times [2021-07-06 20:33:06,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:33:06,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218628793] [2021-07-06 20:33:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:33:06,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:33:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,188 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:33:06,215 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:33:06,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:33:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-06 20:33:46,786 WARN L205 SmtUtils]: Spent 40.43 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:33:46,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:34:06,748 WARN L205 SmtUtils]: Spent 19.89 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:34:06,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:34:06 BoogieIcfgContainer [2021-07-06 20:34:06,832 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:34:06,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:34:06,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:34:06,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:34:06,833 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:33:05" (3/4) ... [2021-07-06 20:34:06,835 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:34:06,873 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:34:06,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:34:06,874 INFO L168 Benchmark]: Toolchain (without parser) took 63039.00 ms. Allocated memory was 50.3 MB in the beginning and 94.4 MB in the end (delta: 44.0 MB). Free memory was 26.8 MB in the beginning and 18.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,875 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:34:06,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 34.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 31.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,876 INFO L168 Benchmark]: Boogie Preprocessor took 24.99 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 29.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,877 INFO L168 Benchmark]: RCFGBuilder took 822.96 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 37.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,877 INFO L168 Benchmark]: BuchiAutomizer took 61736.44 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 37.0 MB in the beginning and 21.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,878 INFO L168 Benchmark]: Witness Printer took 41.14 ms. Allocated memory is still 94.4 MB. Free memory was 21.7 MB in the beginning and 18.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:34:06,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.7 MB in the beginning and 34.4 MB in the end (delta: -7.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 31.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.99 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 29.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 822.96 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 37.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 61736.44 ms. Allocated memory was 60.8 MB in the beginning and 94.4 MB in the end (delta: 33.6 MB). Free memory was 37.0 MB in the beginning and 21.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. * Witness Printer took 41.14 ms. Allocated memory is still 94.4 MB. Free memory was 21.7 MB in the beginning and 18.7 MB in the end (delta: 3.0 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 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 61.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 15.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.0ms 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: 347]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11895} State at position 1 is {NULL=11910, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11895, retValue_acc=0, NULL=11901, NULL=0, NULL=11897, NULL=11902, NULL=11904, methaneLevelCritical=0, NULL=11907, tmp=0, NULL=0, NULL=11908, NULL=0, tmp___1=0, NULL=11916, tmp=1, NULL=11918, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fac7a60=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=11919, NULL=11915, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14248ede=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b6a3ffc=0, \result=0, NULL=11914, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705ed43=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4701dd30=74, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47e438c8=0, retValue_acc=1, NULL=11923, tmp___0=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=11921, tmp=1, NULL=11911, NULL=0, NULL=11898, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11913, NULL=0, retValue_acc=1, NULL=11912, NULL=0, NULL=0, NULL=11900, NULL=0, NULL=0, NULL=11909, tmp___2=74, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=11903, NULL=11924, NULL=11899, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5967bec7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a1a839d=0, head=0, retValue_acc=0, NULL=11920, NULL=11917, NULL=0, NULL=0, NULL=0, NULL=11905, NULL=11922, NULL=11896} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L45] int switchedOnBeforeTS ; [L103] int pumpRunning = 0; [L104] int systemActive = 1; [L256] int waterLevel = 1; [L257] int methaneLevelCritical = 0; [L415] int cleanupTimeShifts = 4; [L684] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L492] int retValue_acc ; [L493] int tmp ; [L907] int retValue_acc ; [L910] retValue_acc = 1 [L911] return (retValue_acc); [L499] tmp = valid_product() [L501] COND TRUE \read(tmp) [L50] switchedOnBeforeTS = 0 [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L249] systemActive = 1 [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] return (retValue_acc); [L59] switchedOnBeforeTS = isPumpRunning() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L65] int tmp ; [L66] int tmp___0 ; [L327] int retValue_acc ; [L330] retValue_acc = waterLevel [L331] return (retValue_acc); [L70] tmp = getWaterLevel() [L72] COND TRUE tmp != 2 [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] return (retValue_acc); [L74] tmp___0 = isPumpRunning() [L76] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:34:06,934 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...