./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product21.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_spec1_product21.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 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce ................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:11:22,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:11:22,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:11:22,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:11:22,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:11:22,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:11:22,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:11:22,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:11:22,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:11:22,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:11:22,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:11:22,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:11:22,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:11:22,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:11:22,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:11:22,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:11:22,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:11:22,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:11:22,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:11:22,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:11:22,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:11:22,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:11:22,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:11:22,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:11:22,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:11:22,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:11:22,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:11:22,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:11:22,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:11:22,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:11:22,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:11:22,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:11:22,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:11:22,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:11:22,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:11:22,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:11:22,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:11:22,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:11:22,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:11:22,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:11:22,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:11:22,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:11:23,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:11:23,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:11:23,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:11:23,020 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:11:23,020 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:11:23,021 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:11:23,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:11:23,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:11:23,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:11:23,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:11:23,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:11:23,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:11:23,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:11:23,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:11:23,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce [2021-07-06 20:11:23,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:11:23,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:11:23,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:11:23,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:11:23,299 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:11:23,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-07-06 20:11:23,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f09820c5/ae793410c9854293b68187faa0e2ff82/FLAG0eec952bc [2021-07-06 20:11:23,700 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:11:23,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-07-06 20:11:23,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f09820c5/ae793410c9854293b68187faa0e2ff82/FLAG0eec952bc [2021-07-06 20:11:24,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f09820c5/ae793410c9854293b68187faa0e2ff82 [2021-07-06 20:11:24,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:11:24,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:11:24,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:11:24,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:11:24,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:11:24,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6559759a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24, skipping insertion in model container [2021-07-06 20:11:24,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:11:24,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:11:24,366 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_spec1_product21.cil.c[17578,17591] [2021-07-06 20:11:24,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:11:24,377 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:11:24,435 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_spec1_product21.cil.c[17578,17591] [2021-07-06 20:11:24,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:11:24,459 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:11:24,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24 WrapperNode [2021-07-06 20:11:24,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:11:24,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:11:24,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:11:24,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:11:24,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:11:24,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:11:24,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:11:24,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:11:24,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:11:24,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:11:24,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:11:24,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:11:24,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (1/1) ... [2021-07-06 20:11:24,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:11:24,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:11:24,603 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 20:11:24,617 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 20:11:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:11:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:11:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:11:24,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:11:25,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:11:25,212 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-07-06 20:11:25,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:11:25 BoogieIcfgContainer [2021-07-06 20:11:25,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:11:25,214 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:11:25,214 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:11:25,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:11:25,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:11:25,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:11:24" (1/3) ... [2021-07-06 20:11:25,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56e97659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:11:25, skipping insertion in model container [2021-07-06 20:11:25,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:11:25,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:11:24" (2/3) ... [2021-07-06 20:11:25,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56e97659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:11:25, skipping insertion in model container [2021-07-06 20:11:25,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:11:25,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:11:25" (3/3) ... [2021-07-06 20:11:25,219 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2021-07-06 20:11:25,253 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:11:25,253 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:11:25,254 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:11:25,254 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:11:25,254 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:11:25,255 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:11:25,255 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:11:25,255 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:11:25,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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 20:11:25,281 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-07-06 20:11:25,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:11:25,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:11:25,286 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,287 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,287 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:11:25,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 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 20:11:25,291 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-07-06 20:11:25,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:11:25,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:11:25,292 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,292 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,295 INFO L791 eck$LassoCheckResult]: Stem: 88#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(77, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(101, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(116, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(104, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string50.base, #t~string50.offset, 1);call write~init~int(82, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(73, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(84, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 4 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(75, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 10#L-1true havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 42#L656true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 47#L664true main_#t~ret44 := valid_product_#res;main_~tmp~4 := main_#t~ret44;havoc main_#t~ret44; 35#L527true assume 0 != main_~tmp~4; 99#L500true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 50#L419-1true [2021-07-06 20:11:25,296 INFO L793 eck$LassoCheckResult]: Loop: 50#L419-1true assume !false; 71#L680true assume test_~splverifierCounter~0 < 4; 33#L681true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 41#L689true assume !(0 != test_~tmp~5); 43#L689-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 91#L699true assume !(0 != test_~tmp___0~1); 93#L699-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 20#L709true assume 0 != test_~tmp___2~0; 95#L715-2true assume !(0 != ~pumpRunning~0); 89#L743true assume !(0 != ~systemActive~0); 25#L750true havoc __utac_acc__Specification1_spec__1_#t~ret42, __utac_acc__Specification1_spec__1_#t~ret43, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 8#L588-1true __utac_acc__Specification1_spec__1_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret42;havoc __utac_acc__Specification1_spec__1_#t~ret42; 46#L419true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 50#L419-1true [2021-07-06 20:11:25,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:25,300 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:11:25,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:25,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066117831] [2021-07-06 20:11:25,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:25,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,440 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,512 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:25,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:11:25,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:25,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2021-07-06 20:11:25,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:25,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860098448] [2021-07-06 20:11:25,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:25,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,540 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,543 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:25,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:11:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2021-07-06 20:11:25,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:25,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397878298] [2021-07-06 20:11:25,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:25,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:11:25,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:11:25,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:11:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:11:25,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 20:11:25,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:11:25,624 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 20:11:25,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:11:25,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397878298] [2021-07-06 20:11:25,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397878298] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:11:25,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:11:25,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 20:11:25,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482431226] [2021-07-06 20:11:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-06 20:11:25,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:11:25,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 20:11:25,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 20:11:25,693 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 20:11:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:11:25,817 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2021-07-06 20:11:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 20:11:25,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2021-07-06 20:11:25,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-07-06 20:11:25,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2021-07-06 20:11:25,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2021-07-06 20:11:25,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2021-07-06 20:11:25,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2021-07-06 20:11:25,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:11:25,834 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-07-06 20:11:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2021-07-06 20:11:25,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-07-06 20:11:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 94 states have internal predecessors, (135), 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 20:11:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2021-07-06 20:11:25,860 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-07-06 20:11:25,860 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-07-06 20:11:25,860 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:11:25,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2021-07-06 20:11:25,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-07-06 20:11:25,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:11:25,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:11:25,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:11:25,866 INFO L791 eck$LassoCheckResult]: Stem: 288#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string48.base, #t~string48.offset, 1);call write~init~int(77, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(101, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(116, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(104, #t~string48.base, 4 + #t~string48.offset, 1);call write~init~int(58, #t~string48.base, 5 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 6 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string50.base, #t~string50.offset, 1);call write~init~int(82, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(73, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(84, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 4 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(75, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 248#L-1 havoc main_#res;havoc main_#t~ret44, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 249#L656 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 304#L664 main_#t~ret44 := valid_product_#res;main_~tmp~4 := main_#t~ret44;havoc main_#t~ret44; 296#L527 assume 0 != main_~tmp~4; 297#L500 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 306#L419-1 [2021-07-06 20:11:25,868 INFO L793 eck$LassoCheckResult]: Loop: 306#L419-1 assume !false; 255#L680 assume test_~splverifierCounter~0 < 4; 256#L681 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 287#L689 assume !(0 != test_~tmp~5); 252#L689-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 293#L699 assume !(0 != test_~tmp___0~1); 294#L699-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 269#L709 assume 0 != test_~tmp___2~0; 270#L715-2 assume !(0 != ~pumpRunning~0); 289#L743 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret61, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 281#L801 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret60, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 266#L775-1 assume !(0 != ~pumpRunning~0); 261#L750 havoc __utac_acc__Specification1_spec__1_#t~ret42, __utac_acc__Specification1_spec__1_#t~ret43, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 240#L588-1 __utac_acc__Specification1_spec__1_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret42;havoc __utac_acc__Specification1_spec__1_#t~ret42; 241#L419 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 306#L419-1 [2021-07-06 20:11:25,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:25,869 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-07-06 20:11:25,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:25,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899480542] [2021-07-06 20:11:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:25,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,930 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:25,986 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:26,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:11:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:26,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2021-07-06 20:11:26,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:26,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733688569] [2021-07-06 20:11:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:26,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:26,014 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:26,017 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:26,019 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:11:26,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:11:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2021-07-06 20:11:26,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:11:26,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942726285] [2021-07-06 20:11:26,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:11:26,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:11:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:26,055 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:11:26,099 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:11:26,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:11:26,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:26,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 20:12:05,327 WARN L205 SmtUtils]: Spent 39.16 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:12:05,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:12:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:12:25,146 WARN L205 SmtUtils]: Spent 19.79 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:12:25,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:12:25 BoogieIcfgContainer [2021-07-06 20:12:25,254 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:12:25,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:12:25,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:12:25,255 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:12:25,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:11:25" (3/4) ... [2021-07-06 20:12:25,257 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:12:25,288 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:12:25,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:12:25,289 INFO L168 Benchmark]: Toolchain (without parser) took 61168.87 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 61.8 MB in the beginning and 75.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,290 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:12:25,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.60 ms. Allocated memory is still 86.0 MB. Free memory was 61.6 MB in the beginning and 58.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.25 ms. Allocated memory is still 86.0 MB. Free memory was 58.8 MB in the beginning and 55.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,290 INFO L168 Benchmark]: Boogie Preprocessor took 51.10 ms. Allocated memory is still 86.0 MB. Free memory was 55.2 MB in the beginning and 52.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,291 INFO L168 Benchmark]: RCFGBuilder took 631.44 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 45.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,291 INFO L168 Benchmark]: BuchiAutomizer took 60039.80 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 45.6 MB in the beginning and 77.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,291 INFO L168 Benchmark]: Witness Printer took 34.14 ms. Allocated memory is still 144.7 MB. Free memory was 77.6 MB in the beginning and 75.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:12:25,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.6 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 339.60 ms. Allocated memory is still 86.0 MB. Free memory was 61.6 MB in the beginning and 58.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.25 ms. Allocated memory is still 86.0 MB. Free memory was 58.8 MB in the beginning and 55.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.10 ms. Allocated memory is still 86.0 MB. Free memory was 55.2 MB in the beginning and 52.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 631.44 ms. Allocated memory is still 86.0 MB. Free memory was 52.9 MB in the beginning and 45.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 60039.80 ms. Allocated memory was 86.0 MB in the beginning and 144.7 MB in the end (delta: 58.7 MB). Free memory was 45.6 MB in the beginning and 77.6 MB in the end (delta: -32.0 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.1 GB. * Witness Printer took 34.14 ms. Allocated memory is still 144.7 MB. Free memory was 77.6 MB in the beginning and 75.5 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 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 59.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 17.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 418 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.9ms 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: 679]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24495} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@113ca9=0, NULL=0, NULL=0, NULL=0, NULL=24495, NULL=24516, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74031a52=0, NULL=24518, NULL=24506, NULL=24510, methaneLevelCritical=0, NULL=24523, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e31d5e4=0, NULL=24496, tmp=0, NULL=0, NULL=0, NULL=24508, tmp=0, tmp___1=0, NULL=24511, NULL=0, NULL=0, tmp___0=0, NULL=24498, NULL=24504, NULL=24517, cleanupTimeShifts=4, NULL=24521, NULL=24507, NULL=24514, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=24522, \result=1, head=0, pumpRunning=0, \result=0, NULL=24513, NULL=24499, tmp=1, NULL=0, NULL=24509, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@775df2a6=0, tmp=0, NULL=0, NULL=24519, NULL=24515, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=24505, NULL=0, tmp___2=52, NULL=24520, tmp___0=0, NULL=24501, splverifierCounter=0, NULL=0, \result=0, NULL=24500, NULL=24503, NULL=24502, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1760e217=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@344033e8=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6868ba2e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b6950cf=0, head=0, NULL=0, NULL=0, NULL=24512, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18c9551e=0, NULL=24497, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L437] int cleanupTimeShifts = 4; [L545] int waterLevel = 1; [L546] int methaneLevelCritical = 0; [L736] int pumpRunning = 0; [L737] int systemActive = 1; [L518] int retValue_acc ; [L519] int tmp ; [L660] int retValue_acc ; [L663] retValue_acc = 1 [L664] return (retValue_acc); [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L670] int splverifierCounter ; [L671] int tmp ; [L672] int tmp___0 ; [L673] int tmp___1 ; [L674] int tmp___2 ; [L677] splverifierCounter = 0 Loop: [L679] COND TRUE 1 [L681] COND TRUE splverifierCounter < 4 [L687] tmp = __VERIFIER_nondet_int() [L689] COND FALSE !(\read(tmp)) [L697] tmp___0 = __VERIFIER_nondet_int() [L699] COND FALSE !(\read(tmp___0)) [L707] tmp___2 = __VERIFIER_nondet_int() [L709] COND TRUE \read(tmp___2) [L743] COND FALSE !(\read(pumpRunning)) [L750] COND TRUE \read(systemActive) [L798] int tmp ; [L801] COND FALSE !(\read(pumpRunning)) [L772] int tmp ; [L775] COND FALSE !(\read(pumpRunning)) [L412] int tmp ; [L413] int tmp___0 ; [L584] int retValue_acc ; [L587] retValue_acc = methaneLevelCritical [L588] return (retValue_acc); [L417] tmp = isMethaneLevelCritical() [L419] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:12:25,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...