./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product23.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_spec4_product23.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 956eb56d08f0603eaf047516e2a5f6a4b389e052 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:28:42,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:28:42,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:28:42,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:28:42,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:28:42,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:28:42,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:28:42,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:28:42,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:28:42,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:28:42,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:28:42,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:28:42,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:28:42,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:28:42,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:28:42,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:28:42,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:28:42,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:28:42,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:28:42,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:28:42,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:28:42,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:28:42,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:28:42,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:28:42,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:28:42,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:28:42,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:28:42,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:28:42,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:28:42,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:28:42,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:28:42,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:28:42,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:28:42,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:28:42,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:28:42,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:28:42,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:28:42,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:28:42,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:28:42,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:28:42,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:28:42,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:28:42,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:28:42,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:28:42,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:28:42,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:28:42,853 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:28:42,854 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:28:42,854 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:28:42,855 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:28:42,855 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:28:42,855 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:28:42,856 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:28:42,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:28:42,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:28:42,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:28:42,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:28:42,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:28:42,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:28:42,858 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:28:42,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:28:42,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:28:42,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:28:42,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:28:42,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:28:42,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:28:42,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:28:42,861 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:28:42,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 956eb56d08f0603eaf047516e2a5f6a4b389e052 [2021-07-06 20:28:43,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:28:43,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:28:43,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:28:43,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:28:43,204 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:28:43,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-07-06 20:28:43,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee0a7af8/a835b3a775f54e079ee6ea02bff1b2f1/FLAG7e2d4ce56 [2021-07-06 20:28:43,794 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:28:43,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-07-06 20:28:43,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee0a7af8/a835b3a775f54e079ee6ea02bff1b2f1/FLAG7e2d4ce56 [2021-07-06 20:28:44,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee0a7af8/a835b3a775f54e079ee6ea02bff1b2f1 [2021-07-06 20:28:44,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:28:44,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:28:44,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:28:44,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:28:44,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:28:44,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b32766f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44, skipping insertion in model container [2021-07-06 20:28:44,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:28:44,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:28:44,325 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1281,1294] [2021-07-06 20:28:44,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:28:44,449 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:28:44,460 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_spec4_product23.cil.c[1281,1294] [2021-07-06 20:28:44,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:28:44,554 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:28:44,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44 WrapperNode [2021-07-06 20:28:44,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:28:44,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:28:44,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:28:44,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:28:44,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:28:44,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:28:44,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:28:44,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:28:44,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:28:44,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:28:44,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:28:44,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:28:44,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (1/1) ... [2021-07-06 20:28:44,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:28:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:28:44,742 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 20:28:44,767 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 20:28:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:28:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:28:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:28:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:28:45,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:28:45,616 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-07-06 20:28:45,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:28:45 BoogieIcfgContainer [2021-07-06 20:28:45,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:28:45,619 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:28:45,619 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:28:45,622 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:28:45,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:28:45,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:28:44" (1/3) ... [2021-07-06 20:28:45,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d4a3996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:28:45, skipping insertion in model container [2021-07-06 20:28:45,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:28:45,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:44" (2/3) ... [2021-07-06 20:28:45,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d4a3996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:28:45, skipping insertion in model container [2021-07-06 20:28:45,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:28:45,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:28:45" (3/3) ... [2021-07-06 20:28:45,625 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2021-07-06 20:28:45,667 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:28:45,667 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:28:45,667 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:28:45,667 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:28:45,667 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:28:45,667 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:28:45,667 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:28:45,668 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:28:45,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 20:28:45,721 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-07-06 20:28:45,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:28:45,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:28:45,729 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:28:45,729 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:28:45,729 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:28:45,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 20:28:45,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-07-06 20:28:45,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:28:45,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:28:45,744 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:28:45,744 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:28:45,753 INFO L791 eck$LassoCheckResult]: Stem: 92#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 33#L538true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 37#L546true main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 99#L927true assume 0 != main_~tmp~8; 29#L904true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L827-1true [2021-07-06 20:28:45,753 INFO L793 eck$LassoCheckResult]: Loop: 34#L827-1true assume !false; 56#L565true assume test_~splverifierCounter~0 < 4; 9#L566true test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 13#L574true assume !(0 != test_~tmp~3); 15#L574-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 61#L584true assume !(0 != test_~tmp___0~0); 62#L584-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 98#L594true assume 0 != test_~tmp___2~0; 88#L600-1true assume !(0 != ~pumpRunning~0); 84#L633true assume !(0 != ~systemActive~0); 26#L640true havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 39#L499true __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 32#L827true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 34#L827-1true [2021-07-06 20:28:45,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:45,759 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:28:45,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:45,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410940703] [2021-07-06 20:28:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:45,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:45,985 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,082 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:28:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:46,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-07-06 20:28:46,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:46,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528618131] [2021-07-06 20:28:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:46,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,150 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,157 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:28:46,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:46,164 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-07-06 20:28:46,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:46,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696689443] [2021-07-06 20:28:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:46,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:28:46,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:28:46,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:28:46,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:28:46,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 20:28:46,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:28:46,307 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 20:28:46,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:28:46,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696689443] [2021-07-06 20:28:46,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696689443] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:28:46,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:28:46,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 20:28:46,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130972456] [2021-07-06 20:28:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 20:28:46,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:28:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 20:28:46,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 20:28:46,400 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 20:28:46,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:28:46,602 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-07-06 20:28:46,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 20:28:46,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-07-06 20:28:46,607 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-07-06 20:28:46,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-07-06 20:28:46,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-07-06 20:28:46,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-07-06 20:28:46,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-07-06 20:28:46,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:28:46,616 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-07-06 20:28:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-07-06 20:28:46,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-07-06 20:28:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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 20:28:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-07-06 20:28:46,651 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-07-06 20:28:46,652 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-07-06 20:28:46,652 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:28:46,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-07-06 20:28:46,653 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-07-06 20:28:46,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:28:46,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:28:46,654 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:28:46,654 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:28:46,654 INFO L791 eck$LassoCheckResult]: Stem: 471#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~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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 393#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 394#L538 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 422#L546 main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 427#L927 assume 0 != main_~tmp~8; 414#L904 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 415#L827-1 [2021-07-06 20:28:46,655 INFO L793 eck$LassoCheckResult]: Loop: 415#L827-1 assume !false; 423#L565 assume test_~splverifierCounter~0 < 4; 388#L566 test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 389#L574 assume !(0 != test_~tmp~3); 396#L574-1 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 398#L584 assume !(0 != test_~tmp___0~0); 452#L584-1 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 454#L594 assume 0 != test_~tmp___2~0; 469#L600-1 assume !(0 != ~pumpRunning~0); 443#L633 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret58, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 460#L691 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret57, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 379#L665-1 assume !(0 != ~pumpRunning~0); 377#L640 havoc __utac_acc__Specification4_spec__1_#t~ret77, __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 411#L499 __utac_acc__Specification4_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret77;havoc __utac_acc__Specification4_spec__1_#t~ret77; 418#L827 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 415#L827-1 [2021-07-06 20:28:46,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:46,655 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-07-06 20:28:46,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:46,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589337456] [2021-07-06 20:28:46,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:46,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,699 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,743 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:28:46,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:46,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-07-06 20:28:46,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:46,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067915559] [2021-07-06 20:28:46,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:46,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,758 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,760 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:28:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:28:46,763 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-07-06 20:28:46,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:28:46,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878581283] [2021-07-06 20:28:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:28:46,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:28:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,804 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:28:46,831 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:28:46,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:28:46,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:28:46,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-06 20:29:27,418 WARN L205 SmtUtils]: Spent 40.51 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:29:27,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:27,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:29:48,079 WARN L205 SmtUtils]: Spent 20.58 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:29:48,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:29:48 BoogieIcfgContainer [2021-07-06 20:29:48,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:29:48,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:29:48,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:29:48,187 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:29:48,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:28:45" (3/4) ... [2021-07-06 20:29:48,189 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:29:48,230 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:29:48,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:29:48,231 INFO L168 Benchmark]: Toolchain (without parser) took 64097.58 ms. Allocated memory was 52.4 MB in the beginning and 100.7 MB in the end (delta: 48.2 MB). Free memory was 28.3 MB in the beginning and 70.0 MB in the end (delta: -41.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,232 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:29:48,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.51 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.1 MB in the beginning and 41.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.63 ms. Allocated memory is still 69.2 MB. Free memory was 41.7 MB in the beginning and 38.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,233 INFO L168 Benchmark]: Boogie Preprocessor took 62.72 ms. Allocated memory is still 69.2 MB. Free memory was 38.4 MB in the beginning and 35.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,233 INFO L168 Benchmark]: RCFGBuilder took 904.84 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 44.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,234 INFO L168 Benchmark]: BuchiAutomizer took 62566.67 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.9 MB in the beginning and 72.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:29:48,234 INFO L168 Benchmark]: Witness Printer took 44.16 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:29:48,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory is still 33.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.51 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 28.1 MB in the beginning and 41.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.63 ms. Allocated memory is still 69.2 MB. Free memory was 41.7 MB in the beginning and 38.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.72 ms. Allocated memory is still 69.2 MB. Free memory was 38.4 MB in the beginning and 35.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 904.84 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 44.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 62566.67 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 44.9 MB in the beginning and 72.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. * Witness Printer took 44.16 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). There was no memory consumed. 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 62.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 62.1s. Construction of modules took 0.1s. 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 17.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 125.6ms 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: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=31728} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=31728, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32426bd2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46e71de2=0, NULL=31738, NULL=0, NULL=0, NULL=31731, NULL=31743, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@455bf9c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11463f9f=0, methaneLevelCritical=0, NULL=31750, tmp=0, NULL=0, NULL=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c7a81c=0, tmp___1=0, NULL=31742, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d5534ac=0, NULL=0, NULL=0, NULL=31730, NULL=31752, NULL=31732, cleanupTimeShifts=4, NULL=31746, NULL=31755, NULL=31745, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=31751, \result=1, NULL=0, NULL=0, NULL=0, NULL=31741, tmp___0=0, retValue_acc=0, NULL=31734, \result=1, head=0, pumpRunning=0, NULL=31748, \result=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=31729, NULL=31749, NULL=31740, retValue_acc=1, NULL=0, NULL=31753, NULL=0, NULL=31736, tmp=1, tmp___2=54, NULL=0, retValue_acc=1, NULL=31735, NULL=31754, splverifierCounter=0, NULL=0, NULL=31737, NULL=31756, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e95a6ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fc1bc1a=54, head=0, NULL=0, NULL=0, tmp=0, NULL=31733, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73f42cba=0, NULL=31744, NULL=31739, NULL=31747} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L625] int pumpRunning = 0; [L626] int systemActive = 1; [L845] int cleanupTimeShifts = 4; [L918] int retValue_acc ; [L919] int tmp ; [L542] int retValue_acc ; [L545] retValue_acc = 1 [L546] return (retValue_acc); [L925] tmp = valid_product() [L927] COND TRUE \read(tmp) [L555] int splverifierCounter ; [L556] int tmp ; [L557] int tmp___0 ; [L558] int tmp___1 ; [L559] int tmp___2 ; [L562] splverifierCounter = 0 Loop: [L564] COND TRUE 1 [L566] COND TRUE splverifierCounter < 4 [L572] tmp = __VERIFIER_nondet_int() [L574] COND FALSE !(\read(tmp)) [L582] tmp___0 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___0)) [L592] tmp___2 = __VERIFIER_nondet_int() [L594] COND TRUE \read(tmp___2) [L633] COND FALSE !(\read(pumpRunning)) [L640] COND TRUE \read(systemActive) [L688] int tmp ; [L691] COND FALSE !(\read(pumpRunning)) [L662] int tmp ; [L665] COND FALSE !(\read(pumpRunning)) [L820] int tmp ; [L821] int tmp___0 ; [L495] int retValue_acc ; [L498] retValue_acc = waterLevel [L499] return (retValue_acc); [L825] tmp = getWaterLevel() [L827] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:29:48,286 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...