./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_product09.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 a022389f82d082e59911b8894f15e7c26d2fb42a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:16:31,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:16:31,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:16:31,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:16:31,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:16:31,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:16:31,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:16:31,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:16:31,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:16:31,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:16:31,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:16:31,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:16:31,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:16:31,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:16:31,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:16:31,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:16:31,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:16:31,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:16:31,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:16:31,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:16:31,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:16:31,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:16:31,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:16:31,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:16:31,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:16:31,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:16:31,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:16:31,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:16:31,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:16:31,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:16:31,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:16:31,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:16:31,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:16:31,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:16:31,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:16:31,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:16:31,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:16:31,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:16:31,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:16:31,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:16:31,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:16:31,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:16:31,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:16:31,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:16:31,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:16:31,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:16:31,980 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:16:31,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:16:31,980 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:16:31,980 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:16:31,980 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:16:31,980 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:16:31,981 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:16:31,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:16:31,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:16:31,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:16:31,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:16:31,998 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:16:31,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:16:31,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:16:31,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:16:31,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:16:31,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:16:31,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:16:31,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:16:32,000 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:16:32,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a022389f82d082e59911b8894f15e7c26d2fb42a [2021-07-06 20:16:32,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:16:32,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:16:32,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:16:32,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:16:32,404 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:16:32,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-07-06 20:16:32,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d71dca8/adef6a55c4a848d4ab0887cb8b60f76a/FLAG7383f5654 [2021-07-06 20:16:32,804 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:16:32,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-07-06 20:16:32,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d71dca8/adef6a55c4a848d4ab0887cb8b60f76a/FLAG7383f5654 [2021-07-06 20:16:33,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d71dca8/adef6a55c4a848d4ab0887cb8b60f76a [2021-07-06 20:16:33,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:16:33,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:16:33,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:16:33,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:16:33,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:16:33,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b1069c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33, skipping insertion in model container [2021-07-06 20:16:33,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:16:33,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:16:33,325 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_product09.cil.c[1281,1294] [2021-07-06 20:16:33,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:16:33,552 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:16:33,583 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_product09.cil.c[1281,1294] [2021-07-06 20:16:33,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:16:33,663 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:16:33,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33 WrapperNode [2021-07-06 20:16:33,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:16:33,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:16:33,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:16:33,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:16:33,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:16:33,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:16:33,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:16:33,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:16:33,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:16:33,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:16:33,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:16:33,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:16:33,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (1/1) ... [2021-07-06 20:16:33,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:16:33,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:16:33,761 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 20:16:33,780 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 20:16:33,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:16:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:16:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:16:33,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:16:34,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:16:34,336 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-07-06 20:16:34,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:34 BoogieIcfgContainer [2021-07-06 20:16:34,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:16:34,338 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:16:34,338 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:16:34,340 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:16:34,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:34,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:16:33" (1/3) ... [2021-07-06 20:16:34,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2381b31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:16:34, skipping insertion in model container [2021-07-06 20:16:34,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:34,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:16:33" (2/3) ... [2021-07-06 20:16:34,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2381b31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:16:34, skipping insertion in model container [2021-07-06 20:16:34,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:16:34,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:34" (3/3) ... [2021-07-06 20:16:34,343 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2021-07-06 20:16:34,370 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:16:34,371 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:16:34,371 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:16:34,371 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:16:34,371 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:16:34,371 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:16:34,371 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:16:34,371 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:16:34,380 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 20:16:34,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-07-06 20:16:34,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:16:34,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:16:34,397 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:34,397 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:34,398 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:16:34,398 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 20:16:34,406 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-07-06 20:16:34,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:16:34,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:16:34,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:34,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:16:34,413 INFO L791 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 7#L-1true havoc main_#res;havoc main_#t~ret66, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 49#L861true 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; 59#L869true main_#t~ret66 := valid_product_#res;main_~tmp~6 := main_#t~ret66;havoc main_#t~ret66; 48#L744true assume 0 != main_~tmp~6; 24#L717true ~methAndRunningLastTime~0 := 0; 16#L625true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, 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; 18#L636-1true [2021-07-06 20:16:34,414 INFO L793 eck$LassoCheckResult]: Loop: 18#L636-1true assume !false; 38#L432true assume test_~splverifierCounter~0 < 4; 52#L433true test_~tmp~3 := test_#t~nondet42;havoc test_#t~nondet42; 53#L441true assume !(0 != test_~tmp~3); 54#L441-1true test_~tmp___0~0 := test_#t~nondet43;havoc test_#t~nondet43; 40#L451true assume !(0 != test_~tmp___0~0); 41#L451-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 25#L461true assume 0 != test_~tmp___2~0; 57#L467-2true assume !(0 != ~pumpRunning~0); 33#L501true assume 0 != ~systemActive~0; 13#L508true havoc __utac_acc__Specification2_spec__2_#t~ret64, __utac_acc__Specification2_spec__2_#t~ret65, __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~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 42#L802true __utac_acc__Specification2_spec__2_#t~ret64 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret64;havoc __utac_acc__Specification2_spec__2_#t~ret64; 14#L636true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 18#L636-1true [2021-07-06 20:16:34,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:34,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:16:34,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:34,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401551626] [2021-07-06 20:16:34,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:34,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,608 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,704 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:34,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:34,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-07-06 20:16:34,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:34,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195964552] [2021-07-06 20:16:34,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:34,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,762 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,764 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:16:34,767 INFO L82 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-07-06 20:16:34,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:16:34,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408861624] [2021-07-06 20:16:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:16:34,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:16:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,847 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:16:34,883 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:16:34,924 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:16:34,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:16:34,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-06 20:17:22,782 WARN L205 SmtUtils]: Spent 47.78 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:17:22,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:22,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:17:44,692 WARN L205 SmtUtils]: Spent 21.79 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:17:44,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:17:44 BoogieIcfgContainer [2021-07-06 20:17:44,815 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:17:44,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:17:44,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:17:44,816 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:17:44,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:16:34" (3/4) ... [2021-07-06 20:17:44,818 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:17:44,850 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:17:44,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:17:44,851 INFO L168 Benchmark]: Toolchain (without parser) took 71659.73 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 36.1 MB in the beginning and 19.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,851 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 25.6 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:17:44,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.20 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 28.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.53 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 25.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,853 INFO L168 Benchmark]: Boogie Preprocessor took 24.22 ms. Allocated memory is still 54.5 MB. Free memory was 25.6 MB in the beginning and 37.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,853 INFO L168 Benchmark]: RCFGBuilder took 593.63 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.3 MB in the beginning and 44.1 MB in the end (delta: -6.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,854 INFO L168 Benchmark]: BuchiAutomizer took 70477.38 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.7 MB in the beginning and 21.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,854 INFO L168 Benchmark]: Witness Printer took 33.96 ms. Allocated memory is still 81.8 MB. Free memory was 21.9 MB in the beginning and 19.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:44,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 25.6 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 473.20 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 28.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.53 ms. Allocated memory is still 54.5 MB. Free memory was 28.3 MB in the beginning and 25.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.22 ms. Allocated memory is still 54.5 MB. Free memory was 25.6 MB in the beginning and 37.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 593.63 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.3 MB in the beginning and 44.1 MB in the end (delta: -6.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 70477.38 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.7 MB in the beginning and 21.9 MB in the end (delta: 21.9 MB). Peak memory consumption was 45.0 MB. Max. memory is 16.1 GB. * Witness Printer took 33.96 ms. Allocated memory is still 81.8 MB. Free memory was 21.9 MB in the beginning and 19.8 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 70.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 70.3s. 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: 431]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=21965} State at position 1 is {NULL=0, NULL=21984, NULL=0, NULL=21965, retValue_acc=0, NULL=0, NULL=21993, NULL=21970, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465e340a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@350edbf6=85, NULL=21990, methaneLevelCritical=0, NULL=21973, tmp=0, NULL=0, NULL=21969, tmp___1=0, NULL=21976, NULL=0, NULL=0, NULL=21971, NULL=21982, NULL=21981, cleanupTimeShifts=4, NULL=21980, NULL=21972, NULL=21979, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@570c2522=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ad8eb8a=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f782429=0, NULL=21987, \result=1, head=0, pumpRunning=0, NULL=21966, NULL=21988, \result=0, NULL=21977, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=21992, retValue_acc=1, NULL=21974, NULL=0, NULL=0, NULL=21991, NULL=0, tmp___2=85, tmp___0=0, NULL=21983, NULL=21986, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=21989, NULL=21975, NULL=21967, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f75510=0, NULL=21978, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29d4021=0, head=0, NULL=0, NULL=0, NULL=21985, NULL=0, NULL=0, tmp=0, NULL=21968} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L619] int methAndRunningLastTime ; [L658] int cleanupTimeShifts = 4; [L759] int waterLevel = 1; [L760] int methaneLevelCritical = 0; [L735] int retValue_acc ; [L736] int tmp ; [L865] int retValue_acc ; [L868] retValue_acc = 1 [L869] return (retValue_acc); [L742] tmp = valid_product() [L744] COND TRUE \read(tmp) [L624] methAndRunningLastTime = 0 [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 Loop: [L431] COND TRUE 1 [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L501] COND FALSE !(\read(pumpRunning)) [L508] COND TRUE \read(systemActive) [L629] int tmp ; [L630] int tmp___0 ; [L798] int retValue_acc ; [L801] retValue_acc = methaneLevelCritical [L802] return (retValue_acc); [L634] tmp = isMethaneLevelCritical() [L636] COND FALSE !(\read(tmp)) [L652] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:17:44,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...