./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product05.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 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:09:19,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:09:19,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:09:19,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:09:19,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:09:19,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:09:19,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:09:19,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:09:19,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:09:19,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:09:19,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:09:19,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:09:19,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:09:19,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:09:19,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:09:19,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:09:19,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:09:19,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:09:19,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:09:19,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:09:19,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:09:19,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:09:19,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:09:19,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:09:19,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:09:19,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:09:19,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:09:19,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:09:19,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:09:19,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:09:19,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:09:19,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:09:19,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:09:19,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:09:19,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:09:19,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:09:19,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:09:19,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:09:19,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:09:19,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:09:19,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:09:19,791 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:09:19,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:09:19,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:09:19,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:09:19,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:09:19,815 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:09:19,815 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:09:19,815 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:09:19,815 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:09:19,815 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:09:19,816 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:09:19,816 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:09:19,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:09:19,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:09:19,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:09:19,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:09:19,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:09:19,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:09:19,819 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:09:19,820 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:09:19,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7d1f008fc605da9360b12daa11bcbc7acf8dd3 [2021-07-06 20:09:20,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:09:20,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:09:20,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:09:20,094 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:09:20,095 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:09:20,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2021-07-06 20:09:20,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780c19af9/ddf7c421e5b84f859254824684a3bb12/FLAG84bf0dbdd [2021-07-06 20:09:20,532 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:09:20,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2021-07-06 20:09:20,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780c19af9/ddf7c421e5b84f859254824684a3bb12/FLAG84bf0dbdd [2021-07-06 20:09:20,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/780c19af9/ddf7c421e5b84f859254824684a3bb12 [2021-07-06 20:09:20,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:09:20,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:09:20,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:09:20,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:09:20,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:09:20,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca276ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20, skipping insertion in model container [2021-07-06 20:09:20,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:09:20,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:09:20,696 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2021-07-06 20:09:20,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:09:20,780 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:09:20,798 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c[4222,4235] [2021-07-06 20:09:20,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:09:20,848 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:09:20,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20 WrapperNode [2021-07-06 20:09:20,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:09:20,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:09:20,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:09:20,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:09:20,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:09:20,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:09:20,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:09:20,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:09:20,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:09:20,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:09:20,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:09:20,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:09:20,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (1/1) ... [2021-07-06 20:09:20,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:09:20,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:09:20,938 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 20:09:20,940 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 20:09:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:09:20,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:09:21,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:09:21,500 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-07-06 20:09:21,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:21 BoogieIcfgContainer [2021-07-06 20:09:21,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:09:21,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:09:21,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:09:21,504 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:09:21,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:21,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:09:20" (1/3) ... [2021-07-06 20:09:21,506 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7da615fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:09:21, skipping insertion in model container [2021-07-06 20:09:21,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:21,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:09:20" (2/3) ... [2021-07-06 20:09:21,507 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7da615fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:09:21, skipping insertion in model container [2021-07-06 20:09:21,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:09:21,507 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:21" (3/3) ... [2021-07-06 20:09:21,508 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2021-07-06 20:09:21,547 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:09:21,547 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:09:21,547 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:09:21,547 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:09:21,547 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:09:21,547 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:09:21,547 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:09:21,547 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:09:21,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 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 20:09:21,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-07-06 20:09:21,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:09:21,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:09:21,582 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:09:21,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:09:21,583 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:09:21,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 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 20:09:21,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-07-06 20:09:21,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:09:21,589 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:09:21,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:09:21,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:09:21,592 INFO L791 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 14#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 8#L855true 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; 36#L863true main_#t~ret76 := valid_product_#res;main_~tmp~6 := main_#t~ret76;havoc main_#t~ret76; 15#L819true assume 0 != main_~tmp~6; 3#L793true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L716-1true [2021-07-06 20:09:21,597 INFO L793 eck$LassoCheckResult]: Loop: 12#L716-1true assume !false; 16#L288true assume test_~splverifierCounter~0 < 4; 38#L289true test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 34#L297true assume !(0 != test_~tmp~1); 33#L297-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 17#L307true assume !(0 != test_~tmp___0~0); 22#L307-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 64#L317true assume 0 != test_~tmp___2~0; 46#L323-2true assume !(0 != ~pumpRunning~0); 68#L141true assume !(0 != ~systemActive~0); 49#L148true havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 4#L91-1true __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 10#L716true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 12#L716-1true [2021-07-06 20:09:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:21,602 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:09:21,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:21,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371033774] [2021-07-06 20:09:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:21,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:21,776 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:21,825 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:21,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:21,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:21,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2021-07-06 20:09:21,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:21,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103716904] [2021-07-06 20:09:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:21,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:21,851 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:21,853 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:21,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:21,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:21,857 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2021-07-06 20:09:21,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:21,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873458891] [2021-07-06 20:09:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:21,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:09:21,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:21,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:09:21,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:21,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:09:21,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:21,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:09:21,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:21,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 20:09:21,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:21,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:09:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:09:21,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:09:21,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873458891] [2021-07-06 20:09:21,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873458891] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:09:21,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:09:21,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 20:09:21,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085568973] [2021-07-06 20:09:22,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:22,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-06 20:09:22,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:09:22,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 20:09:22,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 20:09:22,076 INFO L87 Difference]: Start difference. First operand has 66 states, 65 states have (on average 1.523076923076923) internal successors, (99), 65 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:09:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:09:22,199 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2021-07-06 20:09:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 20:09:22,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2021-07-06 20:09:22,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:09:22,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2021-07-06 20:09:22,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2021-07-06 20:09:22,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2021-07-06 20:09:22,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2021-07-06 20:09:22,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:09:22,206 INFO L681 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-07-06 20:09:22,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2021-07-06 20:09:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-07-06 20:09:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:09:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-07-06 20:09:22,223 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-07-06 20:09:22,223 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-07-06 20:09:22,223 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:09:22,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2021-07-06 20:09:22,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-07-06 20:09:22,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:09:22,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:09:22,224 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:09:22,224 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:09:22,224 INFO L791 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 170#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 160#L855 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; 161#L863 main_#t~ret76 := valid_product_#res;main_~tmp~6 := main_#t~ret76;havoc main_#t~ret76; 172#L819 assume 0 != main_~tmp~6; 150#L793 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 151#L716-1 [2021-07-06 20:09:22,224 INFO L793 eck$LassoCheckResult]: Loop: 151#L716-1 assume !false; 167#L288 assume test_~splverifierCounter~0 < 4; 173#L289 test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 191#L297 assume !(0 != test_~tmp~1); 190#L297-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 175#L307 assume !(0 != test_~tmp___0~0); 176#L307-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 182#L317 assume 0 != test_~tmp___2~0; 198#L323-2 assume !(0 != ~pumpRunning~0); 181#L141 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 205#L173 assume !(0 != ~pumpRunning~0); 202#L148 havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 152#L91-1 __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 153#L716 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 151#L716-1 [2021-07-06 20:09:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:22,225 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-07-06 20:09:22,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:22,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720453400] [2021-07-06 20:09:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:22,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,269 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,312 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,333 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:22,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:22,335 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2021-07-06 20:09:22,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:22,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547955970] [2021-07-06 20:09:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:22,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,342 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,344 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:09:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2021-07-06 20:09:22,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:09:22,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79819369] [2021-07-06 20:09:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:09:22,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:09:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,396 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:09:22,417 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:09:22,425 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:09:22,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:22,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 20:09:59,713 WARN L205 SmtUtils]: Spent 37.21 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:09:59,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:09:59,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:10:19,515 WARN L205 SmtUtils]: Spent 19.74 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:10:19,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:10:19 BoogieIcfgContainer [2021-07-06 20:10:19,602 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:10:19,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:10:19,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:10:19,603 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:10:19,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:09:21" (3/4) ... [2021-07-06 20:10:19,605 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:10:19,634 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:10:19,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:10:19,645 INFO L168 Benchmark]: Toolchain (without parser) took 59083.22 ms. Allocated memory was 71.3 MB in the beginning and 107.0 MB in the end (delta: 35.7 MB). Free memory was 53.9 MB in the beginning and 49.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,645 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 71.3 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:10:19,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.19 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 47.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.16 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 44.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,647 INFO L168 Benchmark]: Boogie Preprocessor took 19.21 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,647 INFO L168 Benchmark]: RCFGBuilder took 588.68 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 56.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,648 INFO L168 Benchmark]: BuchiAutomizer took 58099.69 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 52.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,648 INFO L168 Benchmark]: Witness Printer took 32.44 ms. Allocated memory is still 107.0 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:10:19,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 71.3 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.19 ms. Allocated memory is still 71.3 MB. Free memory was 53.9 MB in the beginning and 47.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.16 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 44.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.21 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 588.68 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.7 MB in the beginning and 56.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 58099.69 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.5 MB in the beginning and 52.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. * Witness Printer took 32.44 ms. Allocated memory is still 107.0 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 57.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 8.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.9ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 287]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=26786, NULL=1, NULL=26795, NULL=0, NULL=0, retValue_acc=0, methaneLevelCritical=0, NULL=26784, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@501129e1=0, NULL=26791, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=26796, NULL=26788, cleanupTimeShifts=4, NULL=26783, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c849abf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44ffa47a=66, NULL=26805, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@279e21cf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b3be8bd=0, NULL=0, systemActive=1, waterLevel=1, NULL=26793, NULL=0, NULL=0, NULL=0, NULL=26794, NULL=0, NULL=26797, NULL=0, tmp___0=0, NULL=26803, NULL=0, NULL=0, NULL=17653, \result=1, head=0, pumpRunning=0, NULL=26790, \result=0, NULL=26798, tmp=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=26789, retValue_acc=1, NULL=26806, NULL=26801, NULL=0, NULL=26785, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34de3b8d=0, tmp___2=66, NULL=26800, NULL=26787, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=26807, NULL=26799, tmp=0, NULL=26804, head=0, NULL=0, NULL=0, NULL=26782, NULL=0, NULL=0, NULL=26792, NULL=26781, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6809d3d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f8b774d=0, NULL=0, NULL=26802} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L734] int cleanupTimeShifts = 4; [L810] int retValue_acc ; [L811] int tmp ; [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); [L817] tmp = valid_product() [L819] COND TRUE \read(tmp) [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L141] COND FALSE !(\read(pumpRunning)) [L148] COND TRUE \read(systemActive) [L170] int tmp ; [L173] COND FALSE !(\read(pumpRunning)) [L709] int tmp ; [L710] int tmp___0 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L714] tmp = isMethaneLevelCritical() [L716] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:10:19,729 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...