./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 9321d4f4887cbb50dca95fc8fc7e71e80327248f ........................................................................................................................................................................................................................................................................................................................... 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 20:10:10,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:10:10,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:10:10,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:10:10,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:10:10,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:10:10,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:10:10,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:10:10,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:10:10,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:10:10,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:10:10,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:10:10,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:10:10,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:10:10,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:10:10,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:10:10,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:10:10,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:10:10,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:10:10,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:10:10,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:10:10,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:10:10,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:10:10,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:10:10,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:10:10,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:10:10,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:10:10,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:10:10,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:10:10,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:10:10,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:10:10,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:10:10,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:10:10,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:10:10,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:10:10,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:10:10,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:10:10,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:10:10,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:10:10,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:10:10,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:10:10,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:10:10,257 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:10:10,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:10:10,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:10:10,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:10:10,259 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:10:10,259 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:10:10,259 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:10:10,259 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:10:10,259 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:10:10,260 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:10:10,260 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:10:10,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:10:10,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:10:10,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:10:10,261 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:10:10,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:10:10,262 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:10:10,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:10:10,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:10:10,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:10:10,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:10:10,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:10:10,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:10:10,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:10:10,264 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:10:10,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9321d4f4887cbb50dca95fc8fc7e71e80327248f [2021-07-06 20:10:10,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:10:10,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:10:10,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:10:10,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:10:10,515 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:10:10,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-07-06 20:10:10,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ff72114/0fbc67ea9b6b4a8594eacffc701a02bd/FLAG2e8a1002e [2021-07-06 20:10:10,920 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:10:10,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-07-06 20:10:10,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ff72114/0fbc67ea9b6b4a8594eacffc701a02bd/FLAG2e8a1002e [2021-07-06 20:10:10,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ff72114/0fbc67ea9b6b4a8594eacffc701a02bd [2021-07-06 20:10:10,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:10:10,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:10:10,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:10:10,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:10:10,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:10:10,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:10:10" (1/1) ... [2021-07-06 20:10:10,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781e61b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:10, skipping insertion in model container [2021-07-06 20:10:10,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:10:10" (1/1) ... [2021-07-06 20:10:10,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:10:10,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:10:11,094 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_product10.cil.c[1281,1294] [2021-07-06 20:10:11,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:10:11,216 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:10:11,224 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_product10.cil.c[1281,1294] [2021-07-06 20:10:11,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:10:11,270 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:10:11,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11 WrapperNode [2021-07-06 20:10:11,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:10:11,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:10:11,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:10:11,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:10:11,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:10:11,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:10:11,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:10:11,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:10:11,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:10:11,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:10:11,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:10:11,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:10:11,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (1/1) ... [2021-07-06 20:10:11,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:10:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:10:11,346 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 20:10:11,383 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 20:10:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:10:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:10:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:10:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:10:11,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:10:11,850 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-07-06 20:10:11,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:11 BoogieIcfgContainer [2021-07-06 20:10:11,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:10:11,851 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:10:11,852 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:10:11,853 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:10:11,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:11,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:10:10" (1/3) ... [2021-07-06 20:10:11,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f11f579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:10:11, skipping insertion in model container [2021-07-06 20:10:11,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:11,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:11" (2/3) ... [2021-07-06 20:10:11,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f11f579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:10:11, skipping insertion in model container [2021-07-06 20:10:11,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:11,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:11" (3/3) ... [2021-07-06 20:10:11,856 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-07-06 20:10:11,887 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:10:11,887 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:10:11,888 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:10:11,888 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:10:11,888 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:10:11,888 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:10:11,888 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:10:11,888 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:10:11,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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 20:10:11,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-07-06 20:10:11,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:10:11,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:10:11,919 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:10:11,919 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:10:11,919 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:10:11,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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 20:10:11,926 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-07-06 20:10:11,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:10:11,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:10:11,929 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:10:11,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:10:11,936 INFO L791 eck$LassoCheckResult]: Stem: 26#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~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 6#L-1true havoc main_#res;havoc main_#t~ret21, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 55#L858true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4#L866true main_#t~ret21 := valid_product_#res;main_~tmp~1 := main_#t~ret21;havoc main_#t~ret21; 17#L293true assume 0 != main_~tmp~1; 27#L267true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 48#L818-1true [2021-07-06 20:10:11,937 INFO L793 eck$LassoCheckResult]: Loop: 48#L818-1true assume !false; 34#L151true assume test_~splverifierCounter~0 < 4; 50#L152true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 9#L160true assume !(0 != test_~tmp~0); 7#L160-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 43#L170true assume !(0 != test_~tmp___0~0); 32#L170-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 25#L180true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 30#L188-2true assume !(0 != ~pumpRunning~0); 22#L684true assume 0 != ~systemActive~0; 10#L691true havoc __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~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; 37#L100true __utac_acc__Specification1_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret75;havoc __utac_acc__Specification1_spec__1_#t~ret75; 45#L818true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 48#L818-1true [2021-07-06 20:10:11,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:11,941 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:10:11,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:11,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523891957] [2021-07-06 20:10:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:11,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,102 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,157 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,177 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:12,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:12,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619226, now seen corresponding path program 1 times [2021-07-06 20:10:12,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:12,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402332450] [2021-07-06 20:10:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:12,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,183 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,185 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:12,188 INFO L82 PathProgramCache]: Analyzing trace with hash 32659712, now seen corresponding path program 1 times [2021-07-06 20:10:12,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:12,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917234200] [2021-07-06 20:10:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:12,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,241 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:12,286 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:12,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:12,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:12,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-06 20:10:53,526 WARN L205 SmtUtils]: Spent 41.13 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:10:53,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:53,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:11:14,553 WARN L205 SmtUtils]: Spent 20.97 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:11:14,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:11:14 BoogieIcfgContainer [2021-07-06 20:11:14,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:11:14,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:11:14,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:11:14,661 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:11:14,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:11" (3/4) ... [2021-07-06 20:11:14,662 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:11:14,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:11:14,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:11:14,712 INFO L168 Benchmark]: Toolchain (without parser) took 63767.89 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 38.5 MB in the beginning and 26.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,712 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:11:14,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.22 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 38.3 MB in the beginning and 51.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 75.5 MB. Free memory was 51.7 MB in the beginning and 49.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,713 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 ms. Allocated memory is still 75.5 MB. Free memory was 49.0 MB in the beginning and 47.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,714 INFO L168 Benchmark]: RCFGBuilder took 529.81 ms. Allocated memory is still 75.5 MB. Free memory was 47.3 MB in the beginning and 40.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,714 INFO L168 Benchmark]: BuchiAutomizer took 62808.89 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 40.1 MB in the beginning and 28.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,714 INFO L168 Benchmark]: Witness Printer took 50.99 ms. Allocated memory is still 96.5 MB. Free memory was 28.2 MB in the beginning and 26.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:14,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 325.22 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 38.3 MB in the beginning and 51.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 75.5 MB. Free memory was 51.7 MB in the beginning and 49.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.50 ms. Allocated memory is still 75.5 MB. Free memory was 49.0 MB in the beginning and 47.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 529.81 ms. Allocated memory is still 75.5 MB. Free memory was 47.3 MB in the beginning and 40.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 62808.89 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 40.1 MB in the beginning and 28.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * Witness Printer took 50.99 ms. Allocated memory is still 96.5 MB. Free memory was 28.2 MB in the beginning and 26.1 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 62.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 62.7s. 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: 150]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3984} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=3988, retValue_acc=0, NULL=3984, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=3991, NULL=3994, methaneLevelCritical=0, NULL=3985, NULL=3990, NULL=0, NULL=0, NULL=4002, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=4005, NULL=3995, NULL=3996, NULL=4009, NULL=3987, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=4010, NULL=0, NULL=3999, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=3998, NULL=0, NULL=4008, \result=1, head=0, pumpRunning=0, NULL=3993, \result=0, NULL=4004, NULL=3986, tmp=0, NULL=4001, tmp=1, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=4007, tmp___2=54, splverifierCounter=0, NULL=0, \result=0, NULL=3989, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@160e36b5=54, NULL=4003, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4405ca2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cb92131=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@207621ed=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c649111=0, NULL=4006, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c023f52=0, NULL=4011, NULL=4012, NULL=4000, NULL=3992, NULL=3997, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1885343f=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; [L207] int cleanupTimeShifts = 4; [L476] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L676] int pumpRunning = 0; [L677] int systemActive = 1; [L284] int retValue_acc ; [L285] int tmp ; [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] return (retValue_acc); [L291] tmp = valid_product() [L293] COND TRUE \read(tmp) [L141] int splverifierCounter ; [L142] int tmp ; [L143] int tmp___0 ; [L144] int tmp___1 ; [L145] int tmp___2 ; [L148] splverifierCounter = 0 Loop: [L150] COND TRUE 1 [L152] COND TRUE splverifierCounter < 4 [L158] tmp = __VERIFIER_nondet_int() [L160] COND FALSE !(\read(tmp)) [L168] tmp___0 = __VERIFIER_nondet_int() [L170] COND FALSE !(\read(tmp___0)) [L178] tmp___2 = __VERIFIER_nondet_int() [L180] COND TRUE \read(tmp___2) [L805] systemActive = 1 [L684] COND FALSE !(\read(pumpRunning)) [L691] COND TRUE \read(systemActive) [L811] int tmp ; [L812] int tmp___0 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L816] tmp = isMethaneLevelCritical() [L818] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:11:14,765 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...