./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_spec1_product13.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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:36:24,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:36:24,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:36:24,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:36:24,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:36:24,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:36:24,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:36:24,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:36:24,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:36:24,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:36:24,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:36:24,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:36:24,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:36:24,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:36:24,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:36:24,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:36:24,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:36:24,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:36:24,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:36:24,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:36:24,370 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:36:24,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:36:24,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:36:24,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:36:24,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:36:24,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:36:24,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:36:24,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:36:24,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:36:24,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:36:24,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:36:24,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:36:24,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:36:24,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:36:24,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:36:24,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:36:24,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:36:24,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:36:24,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:36:24,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:36:24,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:36:24,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:36:24,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:36:24,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:36:24,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:36:24,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:36:24,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:36:24,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:36:24,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:36:24,434 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:36:24,435 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:36:24,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:36:24,436 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:36:24,436 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:36:24,436 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:36:24,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:36:24,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:36:24,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:36:24,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:36:24,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:36:24,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:36:24,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:36:24,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:36:24,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:36:24,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:36:24,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:36:24,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:36:24,448 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:36:24,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:36:24,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:36:24,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:36:24,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:36:24,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:36:24,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:36:24,452 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:36:24,452 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2022-07-22 02:36:24,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:36:24,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:36:24,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:36:24,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:36:24,785 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:36:24,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-07-22 02:36:24,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd08bdd4/a0c7bd07db6c436aaccfdcaf6f0a7ea5/FLAG9f7d43e9e [2022-07-22 02:36:25,320 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:36:25,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-07-22 02:36:25,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd08bdd4/a0c7bd07db6c436aaccfdcaf6f0a7ea5/FLAG9f7d43e9e [2022-07-22 02:36:25,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd08bdd4/a0c7bd07db6c436aaccfdcaf6f0a7ea5 [2022-07-22 02:36:25,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:36:25,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:36:25,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:25,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:36:25,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:36:25,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7bf45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25, skipping insertion in model container [2022-07-22 02:36:25,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:36:25,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:36:25,706 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_product13.cil.c[12494,12507] [2022-07-22 02:36:25,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:25,738 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:36:25,775 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_product13.cil.c[12494,12507] [2022-07-22 02:36:25,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:25,811 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:36:25,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25 WrapperNode [2022-07-22 02:36:25,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:25,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:25,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:36:25,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:36:25,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,869 INFO L137 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 359 [2022-07-22 02:36:25,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:25,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:36:25,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:36:25,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:36:25,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:36:25,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:36:25,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:36:25,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:36:25,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (1/1) ... [2022-07-22 02:36:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:36:25,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:36:25,952 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 02:36:25,961 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 02:36:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:36:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:36:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:36:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:36:26,049 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:36:26,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:36:26,321 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:36:26,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:36:26,330 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:36:26,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26 BoogieIcfgContainer [2022-07-22 02:36:26,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:36:26,333 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:36:26,334 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:36:26,340 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:36:26,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:36:25" (1/3) ... [2022-07-22 02:36:26,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a296d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:25" (2/3) ... [2022-07-22 02:36:26,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a296d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:26,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26" (3/3) ... [2022-07-22 02:36:26,343 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2022-07-22 02:36:26,400 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:36:26,400 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:36:26,400 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:36:26,400 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:36:26,401 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:36:26,401 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:36:26,401 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:36:26,401 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:36:26,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 02:36:26,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:36:26,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:26,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:26,443 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,444 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,444 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:36:26,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 02:36:26,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:36:26,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:26,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:26,461 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,461 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:26,470 INFO L752 eck$LassoCheckResult]: Stem: 70#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 94#L536true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L529true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 53#L544true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 33#L634true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 73#L610true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 91#L685-2true [2022-07-22 02:36:26,472 INFO L754 eck$LassoCheckResult]: Loop: 91#L685-2true assume !false; 95#L686true assume test_~splverifierCounter~0#1 < 4; 74#L687true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 86#L695true assume !(0 != test_~tmp~5#1); 55#L695-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 49#L705true assume !(0 != test_~tmp___0~1#1); 76#L705-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 15#L715true assume 0 != test_~tmp___2~0#1; 12#L721-2true assume { :begin_inline_timeShift } true; 8#L749true assume !(0 != ~pumpRunning~0); 80#L749-2true assume !(0 != ~systemActive~0); 75#L756-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 83#L465-1true __utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 93#L657true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 32#L657-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 10#L766true assume { :end_inline_timeShift } true; 91#L685-2true [2022-07-22 02:36:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:36:26,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222952241] [2022-07-22 02:36:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:26,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-07-22 02:36:26,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90828488] [2022-07-22 02:36:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,758 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:26,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:26,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-07-22 02:36:26,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:26,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309747113] [2022-07-22 02:36:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:26,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:36:26,930 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 02:36:26,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:36:26,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309747113] [2022-07-22 02:36:26,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309747113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:36:26,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:36:26,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:36:26,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213944079] [2022-07-22 02:36:26,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:36:27,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:36:27,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:36:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:36:27,084 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-07-22 02:36:27,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:36:27,147 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-07-22 02:36:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:36:27,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-07-22 02:36:27,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-07-22 02:36:27,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-07-22 02:36:27,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-07-22 02:36:27,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-07-22 02:36:27,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-07-22 02:36:27,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:36:27,171 INFO L369 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-22 02:36:27,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-07-22 02:36:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-22 02:36:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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 02:36:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-07-22 02:36:27,199 INFO L392 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-22 02:36:27,199 INFO L374 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-07-22 02:36:27,199 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:36:27,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-07-22 02:36:27,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-07-22 02:36:27,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:27,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:27,203 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:27,203 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] [2022-07-22 02:36:27,204 INFO L752 eck$LassoCheckResult]: Stem: 283#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 273#L536 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 240#L529 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 241#L544 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 247#L634 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 248#L610 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 221#L685-2 [2022-07-22 02:36:27,204 INFO L754 eck$LassoCheckResult]: Loop: 221#L685-2 assume !false; 289#L686 assume test_~splverifierCounter~0#1 < 4; 285#L687 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 286#L695 assume !(0 != test_~tmp~5#1); 256#L695-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 266#L705 assume !(0 != test_~tmp___0~1#1); 267#L705-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 228#L715 assume 0 != test_~tmp___2~0#1; 224#L721-2 assume { :begin_inline_timeShift } true; 215#L749 assume !(0 != ~pumpRunning~0); 216#L749-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 249#L781 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 251#L773-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 210#L781-1 assume { :end_inline_processEnvironment } true; 230#L756-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_#t~ret35#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 284#L465-1 __utac_acc__Specification1_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret34#1;havoc __utac_acc__Specification1_spec__1_#t~ret34#1; 288#L657 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 246#L657-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 220#L766 assume { :end_inline_timeShift } true; 221#L685-2 [2022-07-22 02:36:27,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:36:27,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031667729] [2022-07-22 02:36:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:27,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-07-22 02:36:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096265675] [2022-07-22 02:36:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,264 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:27,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,273 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-07-22 02:36:27,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020748801] [2022-07-22 02:36:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,288 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:30,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:36:30 BoogieIcfgContainer [2022-07-22 02:36:30,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:36:30,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:36:30,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:36:30,036 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:36:30,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:26" (3/4) ... [2022-07-22 02:36:30,038 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:36:30,080 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:36:30,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:36:30,081 INFO L158 Benchmark]: Toolchain (without parser) took 4725.22ms. Allocated memory was 52.4MB in the beginning and 107.0MB in the end (delta: 54.5MB). Free memory was 28.3MB in the beginning and 74.5MB in the end (delta: -46.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,081 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:30,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.04ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.2MB in the beginning and 46.3MB in the end (delta: -18.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.11ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 43.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,082 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,083 INFO L158 Benchmark]: RCFGBuilder took 410.71ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 43.3MB in the end (delta: -1.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,083 INFO L158 Benchmark]: BuchiAutomizer took 3702.26ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 43.3MB in the beginning and 76.5MB in the end (delta: -33.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,084 INFO L158 Benchmark]: Witness Printer took 44.40ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:30,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.04ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.2MB in the beginning and 46.3MB in the end (delta: -18.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.11ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 43.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.71ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 43.3MB in the end (delta: -1.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3702.26ms. Allocated memory was 71.3MB in the beginning and 107.0MB in the end (delta: 35.7MB). Free memory was 43.3MB in the beginning and 76.5MB in the end (delta: -33.2MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 44.40ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). There was no memory consumed. 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 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. 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 -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, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 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, 110 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 685]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7499df4b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e3ac95=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d157628=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74ce8f1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50eacea4=0, \result=1, retValue_acc=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17730075=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29e3564f=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@118fd26=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 685]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L742] int pumpRunning = 0; [L743] int systemActive = 1; [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 Loop: [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND TRUE \read(tmp___2) [L728] CALL timeShift() [L749] COND FALSE !(\read(pumpRunning)) [L756] COND TRUE \read(systemActive) [L758] CALL processEnvironment() [L778] int tmp ; [L781] COND FALSE !(\read(pumpRunning)) [L796] FCALL processEnvironment__wrappee__methaneQuery() [L758] RET processEnvironment() [L764] CALL __utac_acc__Specification1_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L655] RET, EXPR isMethaneLevelCritical() [L655] tmp = isMethaneLevelCritical() [L657] COND FALSE !(\read(tmp)) [L764] RET __utac_acc__Specification1_spec__1() [L728] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:36:30,122 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)