./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product04.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_product04.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 75ea00b99383c62578ccfd8a9f2cfadee140a2fe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:15:55,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:15:55,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:15:55,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:15:55,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:15:55,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:15:55,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:15:55,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:15:55,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:15:55,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:15:55,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:15:55,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:15:55,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:15:55,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:15:55,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:15:55,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:15:55,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:15:55,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:15:55,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:15:55,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:15:55,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:15:55,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:15:55,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:15:55,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:15:55,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:15:55,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:15:55,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:15:55,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:15:55,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:15:55,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:15:55,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:15:55,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:15:55,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:15:55,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:15:55,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:15:55,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:15:55,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:15:55,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:15:55,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:15:55,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:15:55,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:15:55,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:15:55,628 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:15:55,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:15:55,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:15:55,632 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:15:55,632 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:15:55,633 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:15:55,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:15:55,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:15:55,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:15:55,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:15:55,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:15:55,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:15:55,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:15:55,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:15:55,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:15:55,637 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:15:55,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ea00b99383c62578ccfd8a9f2cfadee140a2fe [2021-07-06 20:15:55,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:15:55,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:15:55,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:15:55,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:15:55,913 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:15:55,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-07-06 20:15:55,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32437b512/c4c4f7ee21f64514914999bbb8705e51/FLAG673ecdbce [2021-07-06 20:15:56,363 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:15:56,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-07-06 20:15:56,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32437b512/c4c4f7ee21f64514914999bbb8705e51/FLAG673ecdbce [2021-07-06 20:15:56,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32437b512/c4c4f7ee21f64514914999bbb8705e51 [2021-07-06 20:15:56,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:15:56,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:15:56,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:15:56,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:15:56,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:15:56,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56, skipping insertion in model container [2021-07-06 20:15:56,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:15:56,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:15:56,630 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_product04.cil.c[15408,15421] [2021-07-06 20:15:56,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:15:56,640 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:15:56,689 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_product04.cil.c[15408,15421] [2021-07-06 20:15:56,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:15:56,710 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:15:56,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56 WrapperNode [2021-07-06 20:15:56,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:15:56,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:15:56,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:15:56,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:15:56,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:15:56,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:15:56,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:15:56,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:15:56,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:15:56,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:15:56,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:15:56,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:15:56,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (1/1) ... [2021-07-06 20:15:56,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:15:56,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:15:56,834 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 20:15:56,844 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 20:15:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:15:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:15:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:15:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:15:57,531 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:15:57,532 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-07-06 20:15:57,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:15:57 BoogieIcfgContainer [2021-07-06 20:15:57,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:15:57,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:15:57,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:15:57,535 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:15:57,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:15:57,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:15:56" (1/3) ... [2021-07-06 20:15:57,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cffbc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:15:57, skipping insertion in model container [2021-07-06 20:15:57,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:15:57,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:15:56" (2/3) ... [2021-07-06 20:15:57,550 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cffbc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:15:57, skipping insertion in model container [2021-07-06 20:15:57,550 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:15:57,550 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:15:57" (3/3) ... [2021-07-06 20:15:57,551 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-07-06 20:15:57,584 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:15:57,584 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:15:57,584 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:15:57,584 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:15:57,584 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:15:57,585 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:15:57,585 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:15:57,585 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:15:57,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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 20:15:57,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-07-06 20:15:57,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:15:57,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:15:57,619 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:15:57,619 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:15:57,619 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:15:57,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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 20:15:57,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-07-06 20:15:57,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:15:57,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:15:57,627 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:15:57,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:15:57,634 INFO L791 eck$LassoCheckResult]: Stem: 18#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~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #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(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 7#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 48#L433true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 51#L441true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 33#L535true assume 0 != main_~tmp~3; 20#L509true ~methAndRunningLastTime~0 := 0; 40#L853true havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 41#L864-1true [2021-07-06 20:15:57,635 INFO L793 eck$LassoCheckResult]: Loop: 41#L864-1true assume !false; 59#L562true assume test_~splverifierCounter~0 < 4; 8#L563true test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 23#L571true assume !(0 != test_~tmp~4); 25#L571-1true test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 12#L581true assume !(0 != test_~tmp___0~0); 3#L581-1true test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 62#L591true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 5#L599-1true assume !(0 != ~pumpRunning~0); 50#L634true assume 0 != ~systemActive~0; 35#L641true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 58#L810true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 38#L864true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 41#L864-1true [2021-07-06 20:15:57,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:15:57,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:15:57,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:15:57,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378141147] [2021-07-06 20:15:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:15:57,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:15:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:57,840 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:57,919 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:57,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:15:57,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:15:57,962 INFO L82 PathProgramCache]: Analyzing trace with hash 11252535, now seen corresponding path program 1 times [2021-07-06 20:15:57,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:15:57,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883027256] [2021-07-06 20:15:57,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:15:57,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:15:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:57,971 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:57,981 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:57,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:15:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:15:57,987 INFO L82 PathProgramCache]: Analyzing trace with hash 844549041, now seen corresponding path program 1 times [2021-07-06 20:15:57,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:15:57,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782697628] [2021-07-06 20:15:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:15:57,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:15:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:58,029 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:15:58,077 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:15:58,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:15:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:15:58,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 20:16:39,749 WARN L205 SmtUtils]: Spent 41.55 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:16:39,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:16:39,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:17:01,250 WARN L205 SmtUtils]: Spent 21.40 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:17:01,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:17:01 BoogieIcfgContainer [2021-07-06 20:17:01,324 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:17:01,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:17:01,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:17:01,324 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:17:01,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:15:57" (3/4) ... [2021-07-06 20:17:01,326 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:17:01,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:17:01,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:17:01,396 INFO L168 Benchmark]: Toolchain (without parser) took 65007.17 ms. Allocated memory was 52.4 MB in the beginning and 92.3 MB in the end (delta: 39.8 MB). Free memory was 28.4 MB in the beginning and 36.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,397 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:17:01,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.2 MB in the beginning and 40.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 67.1 MB. Free memory was 40.7 MB in the beginning and 38.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,397 INFO L168 Benchmark]: Boogie Preprocessor took 43.80 ms. Allocated memory is still 67.1 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,398 INFO L168 Benchmark]: RCFGBuilder took 721.64 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 36.1 MB in the beginning and 65.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,398 INFO L168 Benchmark]: BuchiAutomizer took 63790.56 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 38.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,398 INFO L168 Benchmark]: Witness Printer took 71.63 ms. Allocated memory is still 92.3 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:17:01,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.2 MB in the beginning and 40.7 MB in the end (delta: -12.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.53 ms. Allocated memory is still 67.1 MB. Free memory was 40.7 MB in the beginning and 38.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.80 ms. Allocated memory is still 67.1 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 721.64 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 36.1 MB in the beginning and 65.9 MB in the end (delta: -29.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 63790.56 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 38.0 MB in the end (delta: 27.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.63 ms. Allocated memory is still 92.3 MB. Free memory was 38.0 MB in the beginning and 36.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 63.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 63.6s. 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: 561]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7555} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=7555, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bc2ae62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56fee283=53, NULL=0, NULL=21673, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31249b02=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f4ecfa8=0, NULL=21664, NULL=21668, NULL=21662, methaneLevelCritical=0, NULL=21674, tmp=0, NULL=0, NULL=0, NULL=21671, tmp___1=0, NULL=21678, NULL=0, NULL=0, NULL=21677, NULL=21676, NULL=7556, cleanupTimeShifts=4, NULL=21685, NULL=21681, NULL=7558, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=21663, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6acdba07=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=21667, NULL=0, NULL=0, NULL=21672, \result=1, head=0, pumpRunning=0, \result=0, NULL=21661, tmp=1, NULL=21666, NULL=0, NULL=21670, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@223c36ae=0, NULL=0, NULL=21683, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@181d05a1=0, retValue_acc=1, NULL=0, NULL=0, NULL=21675, tmp___2=53, tmp___0=0, NULL=21682, NULL=21680, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=21684, NULL=21665, head=0, NULL=0, NULL=0, NULL=21679, NULL=0, NULL=0, NULL=21669, NULL=7557, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L626] int pumpRunning = 0; [L627] int systemActive = 1; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; [L847] int methAndRunningLastTime ; [L526] int retValue_acc ; [L527] int tmp ; [L437] int retValue_acc ; [L440] retValue_acc = 1 [L441] return (retValue_acc); [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L852] methAndRunningLastTime = 0 [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 Loop: [L561] COND TRUE 1 [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___2) [L752] systemActive = 1 [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L857] int tmp ; [L858] int tmp___0 ; [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L862] tmp = isMethaneLevelCritical() [L864] COND FALSE !(\read(tmp)) [L880] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:17:01,464 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...