./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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_product01.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 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:08:48,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:08:48,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:08:48,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:08:48,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:08:48,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:08:48,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:08:48,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:08:48,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:08:48,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:08:48,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:08:48,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:08:48,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:08:48,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:08:48,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:08:48,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:08:48,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:08:48,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:08:48,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:08:48,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:08:48,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:08:48,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:08:48,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:08:48,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:08:48,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:08:48,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:08:48,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:08:48,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:08:48,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:08:48,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:08:48,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:08:48,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:08:48,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:08:48,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:08:48,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:08:48,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:08:48,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:08:48,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:08:48,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:08:48,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:08:48,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:08:48,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:08:48,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:08:48,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:08:48,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:08:48,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:08:48,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:08:48,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:08:48,785 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:08:48,786 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:08:48,786 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:08:48,786 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:08:48,787 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:08:48,787 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:08:48,787 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:08:48,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:08:48,787 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:08:48,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:08:48,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:08:48,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:08:48,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:08:48,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:08:48,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:08:48,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:08:48,791 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:08:48,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99b1c4ff00a6d3ebd68813fe778a41b4773908627841ec70b8d8c02c48a5a463 [2021-12-19 19:08:48,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:08:49,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:08:49,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:08:49,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:08:49,037 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:08:49,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-12-19 19:08:49,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/693eadfbe/07dc4d0938864ccfbb0ba86203d0d7f1/FLAGcfa365cbe [2021-12-19 19:08:49,571 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:08:49,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-12-19 19:08:49,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/693eadfbe/07dc4d0938864ccfbb0ba86203d0d7f1/FLAGcfa365cbe [2021-12-19 19:08:50,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/693eadfbe/07dc4d0938864ccfbb0ba86203d0d7f1 [2021-12-19 19:08:50,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:08:50,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:08:50,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:08:50,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:08:50,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:08:50,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81b3b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50, skipping insertion in model container [2021-12-19 19:08:50,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:08:50,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:08:50,329 WARN L230 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_product01.cil.c[7046,7059] [2021-12-19 19:08:50,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:08:50,402 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:08:50,425 WARN L230 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_product01.cil.c[7046,7059] [2021-12-19 19:08:50,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:08:50,467 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:08:50,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50 WrapperNode [2021-12-19 19:08:50,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:08:50,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:08:50,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:08:50,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:08:50,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,508 INFO L137 Inliner]: procedures = 49, calls = 144, calls flagged for inlining = 41, calls inlined = 32, statements flattened = 278 [2021-12-19 19:08:50,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:08:50,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:08:50,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:08:50,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:08:50,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:08:50,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:08:50,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:08:50,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:08:50,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (1/1) ... [2021-12-19 19:08:50,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:08:50,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:08:50,558 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) [2021-12-19 19:08:50,577 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 [2021-12-19 19:08:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:08:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:08:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:08:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:08:50,655 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:08:50,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:08:50,873 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:08:50,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:08:50,878 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 19:08:50,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:50 BoogieIcfgContainer [2021-12-19 19:08:50,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:08:50,881 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:08:50,881 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:08:50,884 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:08:50,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:50,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:08:50" (1/3) ... [2021-12-19 19:08:50,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1275a42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:08:50, skipping insertion in model container [2021-12-19 19:08:50,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:50,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:50" (2/3) ... [2021-12-19 19:08:50,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1275a42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:08:50, skipping insertion in model container [2021-12-19 19:08:50,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:50,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:50" (3/3) ... [2021-12-19 19:08:50,887 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2021-12-19 19:08:50,919 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:08:50,935 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:08:50,935 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:08:50,935 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:08:50,935 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:08:50,936 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:08:50,936 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:08:50,936 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:08:50,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2021-12-19 19:08:50,974 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2021-12-19 19:08:50,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:50,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:50,979 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:50,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:50,980 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:08:50,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2021-12-19 19:08:50,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2021-12-19 19:08:50,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:50,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:50,994 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:50,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:51,003 INFO L791 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 76#L260true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L253true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 20#L268true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 60#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 45#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 36#L394-2true [2021-12-19 19:08:51,004 INFO L793 eck$LassoCheckResult]: Loop: 36#L394-2true assume !false; 14#L395true assume test_~splverifierCounter~0#1 < 4; 22#L396true test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 49#L404true assume !(0 != test_~tmp~1#1); 64#L404-2true test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 58#L414true assume !(0 != test_~tmp___0~0#1); 7#L414-2true test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 44#L424true assume 0 != test_~tmp___2~0#1; 56#L430-2true assume { :begin_inline_timeShift } true; 69#L284true assume !(0 != ~pumpRunning~0); 23#L284-2true assume !(0 != ~systemActive~0); 54#L291-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 73#L201true __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 40#L458true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 68#L458-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 21#L301true assume { :end_inline_timeShift } true; 36#L394-2true [2021-12-19 19:08:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-19 19:08:51,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629618376] [2021-12-19 19:08:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,163 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2021-12-19 19:08:51,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241286948] [2021-12-19 19:08:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:51,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,256 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2021-12-19 19:08:51,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418576027] [2021-12-19 19:08:51,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:08:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:08:51,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:08:51,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418576027] [2021-12-19 19:08:51,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418576027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:08:51,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:08:51,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:08:51,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162072570] [2021-12-19 19:08:51,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:08:51,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:08:51,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 19:08:51,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-19 19:08:51,554 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-19 19:08:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:08:51,598 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2021-12-19 19:08:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-19 19:08:51,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2021-12-19 19:08:51,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2021-12-19 19:08:51,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2021-12-19 19:08:51,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2021-12-19 19:08:51,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2021-12-19 19:08:51,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2021-12-19 19:08:51,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:08:51,610 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-19 19:08:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2021-12-19 19:08:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-19 19:08:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2021-12-19 19:08:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2021-12-19 19:08:51,632 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-19 19:08:51,632 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-19 19:08:51,632 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:08:51,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2021-12-19 19:08:51,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2021-12-19 19:08:51,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:51,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:51,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:51,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:51,634 INFO L791 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 211#L260 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 190#L253 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 191#L268 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 194#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 214#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 196#L394-2 [2021-12-19 19:08:51,634 INFO L793 eck$LassoCheckResult]: Loop: 196#L394-2 assume !false; 181#L395 assume test_~splverifierCounter~0#1 < 4; 182#L396 test_~tmp~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 197#L404 assume !(0 != test_~tmp~1#1); 217#L404-2 test_~tmp___0~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 223#L414 assume !(0 != test_~tmp___0~0#1); 168#L414-2 test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 169#L424 assume 0 != test_~tmp___2~0#1; 185#L430-2 assume { :begin_inline_timeShift } true; 221#L284 assume !(0 != ~pumpRunning~0); 199#L284-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 173#L308 assume { :end_inline_processEnvironment } true; 174#L291-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 219#L201 __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 209#L458 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 176#L458-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 195#L301 assume { :end_inline_timeShift } true; 196#L394-2 [2021-12-19 19:08:51,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-19 19:08:51,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868745241] [2021-12-19 19:08:51,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:51,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,663 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2021-12-19 19:08:51,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546383030] [2021-12-19 19:08:51,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,672 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:51,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:51,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2021-12-19 19:08:51,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:51,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005469516] [2021-12-19 19:08:51,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:51,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,702 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:51,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:54,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:08:54 BoogieIcfgContainer [2021-12-19 19:08:54,288 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:08:54,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:08:54,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:08:54,289 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:08:54,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:50" (3/4) ... [2021-12-19 19:08:54,291 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:08:54,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:08:54,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:08:54,361 INFO L158 Benchmark]: Toolchain (without parser) took 4288.21ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 74.5MB in the beginning and 61.4MB in the end (delta: 13.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,362 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:08:54,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.69ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 78.2MB in the end (delta: -3.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,363 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,364 INFO L158 Benchmark]: RCFGBuilder took 349.90ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 59.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,364 INFO L158 Benchmark]: BuchiAutomizer took 3407.64ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 59.3MB in the beginning and 64.6MB in the end (delta: -5.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,365 INFO L158 Benchmark]: Witness Printer took 71.41ms. Allocated memory is still 134.2MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-19 19:08:54,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 80.7MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.69ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 78.2MB in the end (delta: -3.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.85ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 109.1MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.90ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 59.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3407.64ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 59.3MB in the beginning and 64.6MB in the end (delta: -5.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 71.41ms. Allocated memory is still 134.2MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 62 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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: 394]: 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 {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=0, \result=1, retValue_acc=1, tmp___2=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13d6b077=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c6db5b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a3ac815=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7397f956=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53aa3e6e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f0811b8=0, tmp=1, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67643fd6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 394]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L385] int splverifierCounter ; [L386] int tmp ; [L387] int tmp___0 ; [L388] int tmp___1 ; [L389] int tmp___2 ; [L392] splverifierCounter = 0 Loop: [L394] COND TRUE 1 [L396] COND TRUE splverifierCounter < 4 [L402] tmp = __VERIFIER_nondet_int() [L404] COND FALSE !(\read(tmp)) [L412] tmp___0 = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp___0)) [L422] tmp___2 = __VERIFIER_nondet_int() [L424] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] FCALL processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L451] int tmp ; [L452] int tmp___0 ; [L456] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] tmp = isMethaneLevelCritical() [L458] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L437] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-19 19:08:54,412 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)