./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c9e4bd76592b5b320fdce5045c771849ffd48c0 .............................................................................................................................................................................................................................................................................................................................. 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 20:16:46,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:16:46,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:16:46,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:16:46,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:16:46,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:16:46,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:16:46,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:16:46,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:16:46,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:16:46,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:16:46,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:16:46,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:16:46,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:16:46,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:16:46,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:16:46,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:16:46,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:16:46,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:16:46,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:16:46,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:16:46,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:16:46,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:16:46,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:16:46,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:16:46,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:16:46,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:16:46,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:16:46,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:16:46,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:16:46,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:16:46,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:16:46,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:16:46,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:16:46,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:16:46,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:16:46,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:16:46,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:16:46,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:16:46,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:16:46,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:16:46,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:16:46,078 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:16:46,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:16:46,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:16:46,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:16:46,079 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:16:46,079 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:16:46,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:16:46,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:16:46,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:16:46,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:16:46,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:16:46,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:16:46,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:16:46,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9e4bd76592b5b320fdce5045c771849ffd48c0 [2021-07-06 20:16:46,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:16:46,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:16:46,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:16:46,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:16:46,299 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:16:46,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-07-06 20:16:46,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f17fa55/c347d2cd4ceb403a8e3292d931565986/FLAG217c8beea [2021-07-06 20:16:46,731 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:16:46,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2021-07-06 20:16:46,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f17fa55/c347d2cd4ceb403a8e3292d931565986/FLAG217c8beea [2021-07-06 20:16:47,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f17fa55/c347d2cd4ceb403a8e3292d931565986 [2021-07-06 20:16:47,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:16:47,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:16:47,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:16:47,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:16:47,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:16:47,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e60724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47, skipping insertion in model container [2021-07-06 20:16:47,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:16:47,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:16:47,282 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_spec2_product10.cil.c[1281,1294] [2021-07-06 20:16:47,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:16:47,393 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:16:47,404 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_spec2_product10.cil.c[1281,1294] [2021-07-06 20:16:47,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:16:47,487 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:16:47,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47 WrapperNode [2021-07-06 20:16:47,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:16:47,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:16:47,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:16:47,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:16:47,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:16:47,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:16:47,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:16:47,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:16:47,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:16:47,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:16:47,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:16:47,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:16:47,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (1/1) ... [2021-07-06 20:16:47,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:16:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:16:47,569 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 20:16:47,571 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 20:16:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:16:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:16:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:16:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:16:48,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:16:48,149 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-07-06 20:16:48,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:48 BoogieIcfgContainer [2021-07-06 20:16:48,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:16:48,151 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:16:48,151 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:16:48,153 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:16:48,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:48,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:16:47" (1/3) ... [2021-07-06 20:16:48,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b5fe7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:16:48, skipping insertion in model container [2021-07-06 20:16:48,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:48,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:47" (2/3) ... [2021-07-06 20:16:48,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b5fe7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:16:48, skipping insertion in model container [2021-07-06 20:16:48,155 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:48,155 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:48" (3/3) ... [2021-07-06 20:16:48,158 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2021-07-06 20:16:48,183 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:16:48,183 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:16:48,184 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:16:48,184 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:16:48,184 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:16:48,184 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:16:48,184 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:16:48,184 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:16:48,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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 20:16:48,204 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-07-06 20:16:48,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:16:48,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:16:48,209 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:48,209 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:48,209 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:16:48,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 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 20:16:48,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-07-06 20:16:48,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:16:48,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:16:48,213 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:48,213 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:48,216 INFO L791 eck$LassoCheckResult]: Stem: 20#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 42#L528true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 49#L536true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 22#L871true assume 0 != main_~tmp~6; 60#L847true ~methAndRunningLastTime~0 := 0; 34#L755true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L766-1true [2021-07-06 20:16:48,216 INFO L793 eck$LassoCheckResult]: Loop: 35#L766-1true assume !false; 6#L555true assume test_~splverifierCounter~0 < 4; 17#L556true test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 18#L564true assume !(0 != test_~tmp~3); 21#L564-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 10#L574true assume !(0 != test_~tmp___0~0); 11#L574-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 54#L584true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 3#L592-2true assume !(0 != ~pumpRunning~0); 46#L623true assume 0 != ~systemActive~0; 29#L630true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 47#L100true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 32#L766true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 35#L766-1true [2021-07-06 20:16:48,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:48,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:16:48,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:48,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033415131] [2021-07-06 20:16:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:48,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,360 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,453 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,488 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:48,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:48,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2021-07-06 20:16:48,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:48,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026353486] [2021-07-06 20:16:48,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:48,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,506 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,508 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,511 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:48,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:48,513 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2021-07-06 20:16:48,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:48,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455238243] [2021-07-06 20:16:48,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:48,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,551 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:48,587 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:48,596 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:48,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:16:48,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 20:17:28,017 WARN L205 SmtUtils]: Spent 39.29 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:17:28,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:17:47,347 WARN L205 SmtUtils]: Spent 19.25 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:17:47,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:17:47 BoogieIcfgContainer [2021-07-06 20:17:47,416 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:17:47,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:17:47,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:17:47,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:17:47,417 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:48" (3/4) ... [2021-07-06 20:17:47,418 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:17:47,472 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:17:47,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:17:47,473 INFO L168 Benchmark]: Toolchain (without parser) took 60334.53 ms. Allocated memory was 73.4 MB in the beginning and 115.3 MB in the end (delta: 41.9 MB). Free memory was 57.0 MB in the beginning and 33.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,474 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:17:47,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.77 ms. Allocated memory is still 73.4 MB. Free memory was 56.8 MB in the beginning and 47.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 73.4 MB. Free memory was 47.4 MB in the beginning and 44.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,475 INFO L168 Benchmark]: Boogie Preprocessor took 17.96 ms. Allocated memory is still 73.4 MB. Free memory was 44.8 MB in the beginning and 43.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,475 INFO L168 Benchmark]: RCFGBuilder took 599.03 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 58.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,476 INFO L168 Benchmark]: BuchiAutomizer took 59264.77 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 58.6 MB in the beginning and 35.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,476 INFO L168 Benchmark]: Witness Printer took 56.10 ms. Allocated memory is still 115.3 MB. Free memory was 35.9 MB in the beginning and 33.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:47,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.77 ms. Allocated memory is still 73.4 MB. Free memory was 56.8 MB in the beginning and 47.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 73.4 MB. Free memory was 47.4 MB in the beginning and 44.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.96 ms. Allocated memory is still 73.4 MB. Free memory was 44.8 MB in the beginning and 43.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 599.03 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 58.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 59264.77 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 58.6 MB in the beginning and 35.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. * Witness Printer took 56.10 ms. Allocated memory is still 115.3 MB. Free memory was 35.9 MB in the beginning and 33.8 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 59.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 554]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=17752, NULL=0, NULL=1, NULL=17770, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17773, retValue_acc=0, NULL=17777, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bb07e61=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2449f496=0, NULL=17761, methaneLevelCritical=0, NULL=17755, NULL=17764, tmp=0, NULL=0, NULL=0, NULL=17776, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28bfed35=0, NULL=17760, NULL=17774, cleanupTimeShifts=4, NULL=17768, NULL=17757, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17756, NULL=0, NULL=17767, NULL=17763, tmp___0=0, NULL=17771, NULL=17753, \result=1, head=0, pumpRunning=0, NULL=17766, \result=0, NULL=17775, NULL=0, NULL=17772, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a23057a=0, tmp=1, NULL=17759, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d12854f=0, NULL=17778, retValue_acc=1, NULL=0, NULL=0, NULL=17751, tmp___2=52, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=17754, NULL=17765, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ccdc4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@623a4001=52, head=0, NULL=0, NULL=0, NULL=17758, NULL=17762, NULL=17769, tmp=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L306] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L749] int methAndRunningLastTime ; [L788] int cleanupTimeShifts = 4; [L862] int retValue_acc ; [L863] int tmp ; [L532] int retValue_acc ; [L535] retValue_acc = 1 [L536] return (retValue_acc); [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L754] methAndRunningLastTime = 0 [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] splverifierCounter = 0 Loop: [L554] COND TRUE 1 [L556] COND TRUE splverifierCounter < 4 [L562] tmp = __VERIFIER_nondet_int() [L564] COND FALSE !(\read(tmp)) [L572] tmp___0 = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp___0)) [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND TRUE \read(tmp___2) [L744] systemActive = 1 [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L759] int tmp ; [L760] int tmp___0 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L764] tmp = isMethaneLevelCritical() [L766] COND FALSE !(\read(tmp)) [L782] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:17:47,551 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...