./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_spec3_product08.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 f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:37:47,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:37:47,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:37:47,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:37:47,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:37:47,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:37:47,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:37:47,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:37:47,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:37:47,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:37:47,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:37:47,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:37:47,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:37:47,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:37:47,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:37:47,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:37:47,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:37:47,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:37:47,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:37:47,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:37:47,677 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:37:47,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:37:47,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:37:47,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:37:47,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:37:47,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:37:47,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:37:47,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:37:47,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:37:47,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:37:47,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:37:47,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:37:47,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:37:47,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:37:47,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:37:47,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:37:47,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:37:47,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:37:47,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:37:47,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:37:47,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:37:47,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:37:47,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:37:47,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:37:47,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:37:47,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:37:47,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:37:47,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:37:47,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:37:47,727 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:37:47,735 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:37:47,736 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:37:47,736 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:37:47,736 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:37:47,736 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:37:47,737 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:37:47,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:37:47,737 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:37:47,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:37:47,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:37:47,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:37:47,738 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:37:47,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:37:47,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:37:47,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:37:47,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:37:47,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:37:47,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:37:47,741 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:37:47,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2656148601f1263a8e24b75d9059e08eab7a1ff3676ef4340768cc6aab19236 [2022-07-22 02:37:48,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:37:48,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:37:48,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:37:48,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:37:48,058 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:37:48,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2022-07-22 02:37:48,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90a6c54c/1de1bd7e38524a5890da88dd2e29e108/FLAG27c7570e1 [2022-07-22 02:37:48,532 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:37:48,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2022-07-22 02:37:48,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90a6c54c/1de1bd7e38524a5890da88dd2e29e108/FLAG27c7570e1 [2022-07-22 02:37:48,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90a6c54c/1de1bd7e38524a5890da88dd2e29e108 [2022-07-22 02:37:48,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:37:48,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:37:48,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:48,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:37:48,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:37:48,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be42e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48, skipping insertion in model container [2022-07-22 02:37:48,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:37:49,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:37:49,278 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_spec3_product08.cil.c[13019,13032] [2022-07-22 02:37:49,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:49,313 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:37:49,376 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_spec3_product08.cil.c[13019,13032] [2022-07-22 02:37:49,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:49,410 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:37:49,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49 WrapperNode [2022-07-22 02:37:49,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:49,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:49,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:37:49,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:37:49,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,475 INFO L137 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 49, calls inlined = 53, statements flattened = 402 [2022-07-22 02:37:49,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:49,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:37:49,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:37:49,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:37:49,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:37:49,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:37:49,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:37:49,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:37:49,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (1/1) ... [2022-07-22 02:37:49,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:37:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:37:49,534 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) [2022-07-22 02:37:49,536 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 [2022-07-22 02:37:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:37:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:37:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:37:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:37:49,668 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:37:49,669 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:37:49,933 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:37:49,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:37:49,939 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:37:49,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:49 BoogieIcfgContainer [2022-07-22 02:37:49,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:37:49,942 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:37:49,942 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:37:49,944 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:37:49,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:49,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:37:48" (1/3) ... [2022-07-22 02:37:49,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2edff5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:49, skipping insertion in model container [2022-07-22 02:37:49,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:49,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:49" (2/3) ... [2022-07-22 02:37:49,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2edff5a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:49, skipping insertion in model container [2022-07-22 02:37:49,945 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:49,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:49" (3/3) ... [2022-07-22 02:37:49,946 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2022-07-22 02:37:49,987 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:37:49,987 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:37:49,988 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:37:49,988 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:37:49,988 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:37:49,988 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:37:49,988 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:37:49,988 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:37:49,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2022-07-22 02:37:50,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-07-22 02:37:50,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:50,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:50,019 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,019 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,019 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:37:50,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2022-07-22 02:37:50,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-07-22 02:37:50,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:50,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:50,034 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,034 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,041 INFO L752 eck$LassoCheckResult]: Stem: 94#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 8#L804true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 70#L797true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 64#L812true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 32#L899true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 75#L876true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L561-2true [2022-07-22 02:37:50,041 INFO L754 eck$LassoCheckResult]: Loop: 26#L561-2true assume !false; 67#L562true assume test_~splverifierCounter~0#1 < 4; 52#L563true test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 96#L571true assume !(0 != test_~tmp~4#1); 24#L571-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 108#L581true assume !(0 != test_~tmp___0~1#1); 92#L581-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 91#L591true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 17#L775true assume { :end_inline_startSystem } true; 63#L599-2true assume { :begin_inline_timeShift } true; 68#L630true assume !(0 != ~pumpRunning~0); 41#L630-2true assume !(0 != ~systemActive~0); 54#L637-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 80#L501-1true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 5#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 101#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 98#L647true assume { :end_inline_timeShift } true; 26#L561-2true [2022-07-22 02:37:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:37:50,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709916847] [2022-07-22 02:37:50,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:50,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,203 INFO L85 PathProgramCache]: Analyzing trace with hash 134232851, now seen corresponding path program 1 times [2022-07-22 02:37:50,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767811305] [2022-07-22 02:37:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:50,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:50,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767811305] [2022-07-22 02:37:50,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767811305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:50,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:50,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 02:37:50,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105924057] [2022-07-22 02:37:50,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:50,245 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-22 02:37:50,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:37:50,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:37:50,291 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-07-22 02:37:50,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:50,367 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2022-07-22 02:37:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 02:37:50,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 255 transitions. [2022-07-22 02:37:50,378 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2022-07-22 02:37:50,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 179 states and 234 transitions. [2022-07-22 02:37:50,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-07-22 02:37:50,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-07-22 02:37:50,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 234 transitions. [2022-07-22 02:37:50,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:50,396 INFO L369 hiAutomatonCegarLoop]: Abstraction has 179 states and 234 transitions. [2022-07-22 02:37:50,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 234 transitions. [2022-07-22 02:37:50,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2022-07-22 02:37:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 176 states have (on average 1.3068181818181819) internal successors, (230), 175 states have internal predecessors, (230), 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) [2022-07-22 02:37:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2022-07-22 02:37:50,451 INFO L392 hiAutomatonCegarLoop]: Abstraction has 176 states and 230 transitions. [2022-07-22 02:37:50,451 INFO L374 stractBuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2022-07-22 02:37:50,452 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:37:50,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 230 transitions. [2022-07-22 02:37:50,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2022-07-22 02:37:50,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:50,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:50,458 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,459 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,460 INFO L752 eck$LassoCheckResult]: Stem: 408#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 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 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 328#L804 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 329#L797 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 337#L812 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 338#L899 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 368#L876 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 369#L561-2 [2022-07-22 02:37:50,460 INFO L754 eck$LassoCheckResult]: Loop: 369#L561-2 assume !false; 344#L562 assume test_~splverifierCounter~0#1 < 4; 345#L563 test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 454#L571 assume !(0 != test_~tmp~4#1); 452#L571-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 450#L581 assume !(0 != test_~tmp___0~1#1); 448#L581-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 447#L591 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 359#L775 assume { :end_inline_startSystem } true; 360#L599-2 assume { :begin_inline_timeShift } true; 444#L630 assume !(0 != ~pumpRunning~0); 441#L630-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 438#L662 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 437#L654-1 assume { :end_inline_processEnvironment__wrappee__base } true; 434#L662-1 assume { :end_inline_processEnvironment } true; 433#L637-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 432#L501-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 428#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 426#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 413#L647 assume { :end_inline_timeShift } true; 369#L561-2 [2022-07-22 02:37:50,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:37:50,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332567840] [2022-07-22 02:37:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,488 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:50,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1877291397, now seen corresponding path program 1 times [2022-07-22 02:37:50,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668145294] [2022-07-22 02:37:50,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,545 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 229293385, now seen corresponding path program 1 times [2022-07-22 02:37:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127994251] [2022-07-22 02:37:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:50,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:50,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127994251] [2022-07-22 02:37:50,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127994251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:50,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:50,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:37:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45079357] [2022-07-22 02:37:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:50,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:50,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 02:37:50,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 02:37:50,807 INFO L87 Difference]: Start difference. First operand 176 states and 230 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-07-22 02:37:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:50,948 INFO L93 Difference]: Finished difference Result 608 states and 796 transitions. [2022-07-22 02:37:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 02:37:50,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 608 states and 796 transitions. [2022-07-22 02:37:50,952 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 456 [2022-07-22 02:37:50,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 608 states to 608 states and 796 transitions. [2022-07-22 02:37:50,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 608 [2022-07-22 02:37:50,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 608 [2022-07-22 02:37:50,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 608 states and 796 transitions. [2022-07-22 02:37:50,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:50,958 INFO L369 hiAutomatonCegarLoop]: Abstraction has 608 states and 796 transitions. [2022-07-22 02:37:50,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states and 796 transitions. [2022-07-22 02:37:50,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 345. [2022-07-22 02:37:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 345 states have (on average 1.289855072463768) internal successors, (445), 344 states have internal predecessors, (445), 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) [2022-07-22 02:37:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 445 transitions. [2022-07-22 02:37:50,983 INFO L392 hiAutomatonCegarLoop]: Abstraction has 345 states and 445 transitions. [2022-07-22 02:37:50,983 INFO L374 stractBuchiCegarLoop]: Abstraction has 345 states and 445 transitions. [2022-07-22 02:37:50,983 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:37:50,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 345 states and 445 transitions. [2022-07-22 02:37:50,985 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 250 [2022-07-22 02:37:50,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:50,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:50,986 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,986 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:50,986 INFO L752 eck$LassoCheckResult]: Stem: 1224#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1128#L804 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1129#L797 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1134#L812 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 1135#L899 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1174#L876 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1175#L561-2 [2022-07-22 02:37:50,987 INFO L754 eck$LassoCheckResult]: Loop: 1175#L561-2 assume !false; 1146#L562 assume test_~splverifierCounter~0#1 < 4; 1147#L563 test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 1227#L571 assume !(0 != test_~tmp~4#1); 1190#L571-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1191#L581 assume !(0 != test_~tmp___0~1#1); 1203#L581-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1214#L591 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1216#L775 assume { :end_inline_startSystem } true; 1233#L599-2 assume { :begin_inline_timeShift } true; 1149#L630 assume !(0 != ~pumpRunning~0); 1150#L630-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1223#L662 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1458#L654-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1152#L662-1 assume { :end_inline_processEnvironment } true; 1153#L637-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1399#L501-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1125#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1126#L533 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1154#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1155#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1232#L647 assume { :end_inline_timeShift } true; 1175#L561-2 [2022-07-22 02:37:50,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-22 02:37:50,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:50,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143694799] [2022-07-22 02:37:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:50,999 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:51,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:51,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:51,011 INFO L85 PathProgramCache]: Analyzing trace with hash 192019704, now seen corresponding path program 1 times [2022-07-22 02:37:51,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:51,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360762470] [2022-07-22 02:37:51,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:51,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:51,016 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:51,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:51,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:51,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1308862396, now seen corresponding path program 1 times [2022-07-22 02:37:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:51,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978642006] [2022-07-22 02:37:51,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:51,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:51,032 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:51,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:53,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:37:53 BoogieIcfgContainer [2022-07-22 02:37:53,459 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:37:53,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:37:53,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:37:53,460 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:37:53,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:49" (3/4) ... [2022-07-22 02:37:53,462 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:37:53,542 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:37:53,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:37:53,543 INFO L158 Benchmark]: Toolchain (without parser) took 4642.27ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 56.1MB in the beginning and 40.0MB in the end (delta: 16.1MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,543 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:37:53,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.37ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 48.4MB in the end (delta: 7.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 45.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,546 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,551 INFO L158 Benchmark]: RCFGBuilder took 429.35ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 49.0MB in the end (delta: -5.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,552 INFO L158 Benchmark]: BuchiAutomizer took 3517.73ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 49.0MB in the beginning and 42.1MB in the end (delta: 6.9MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,552 INFO L158 Benchmark]: Witness Printer took 82.10ms. Allocated memory is still 117.4MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:53,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.37ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 48.4MB in the end (delta: 7.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 45.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.35ms. Allocated memory is still 73.4MB. Free memory was 43.8MB in the beginning and 49.0MB in the end (delta: -5.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3517.73ms. Allocated memory was 73.4MB in the beginning and 117.4MB in the end (delta: 44.0MB). Free memory was 49.0MB in the beginning and 42.1MB in the end (delta: 6.9MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Witness Printer took 82.10ms. Allocated memory is still 117.4MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 345 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 266 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 944 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 303 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 561]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f58ec02=0, methaneLevelCritical=0, tmp___0=1, \result=0, tmp=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@757c19a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d37aeb3=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ba8a97c=0, \result=1, retValue_acc=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bcbf526=0, tmp___1=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76a5e563=0, tmp___1=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25abf76c=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fcadc1e=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e94c49c=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 561]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L817] int cleanupTimeShifts = 4; [L890] int retValue_acc ; [L891] int tmp ; [L895] FCALL select_helpers() [L896] FCALL select_features() [L897] CALL, EXPR valid_product() [L808] int retValue_acc ; [L811] retValue_acc = 1 [L812] return (retValue_acc); [L897] RET, EXPR valid_product() [L897] tmp = valid_product() [L899] COND TRUE \read(tmp) [L901] FCALL setup() [L902] CALL runTest() [L884] CALL test() [L552] int splverifierCounter ; [L553] int tmp ; [L554] int tmp___0 ; [L555] int tmp___1 ; [L556] int tmp___2 ; [L559] splverifierCounter = 0 Loop: [L561] COND TRUE 1 [L563] COND TRUE splverifierCounter < 4 [L569] tmp = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp)) [L579] tmp___0 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___0)) [L589] tmp___2 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___2) [L593] CALL startSystem() [L774] systemActive = 1 [L593] RET startSystem() [L608] CALL timeShift() [L630] COND FALSE !(\read(pumpRunning)) [L637] COND TRUE \read(systemActive) [L639] CALL processEnvironment() [L659] int tmp ; [L662] COND FALSE !(\read(pumpRunning)) [L677] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment() [L645] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L645] RET __utac_acc__Specification3_spec__1() [L608] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:37:53,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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)