./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:41:03,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:41:03,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:41:03,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:41:03,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:41:03,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:41:03,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:41:03,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:41:03,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:41:03,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:41:03,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:41:03,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:41:03,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:41:03,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:41:03,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:41:03,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:41:03,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:41:03,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:41:03,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:41:03,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:41:03,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:41:03,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:41:03,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:41:03,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:41:03,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:41:03,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:41:03,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:41:03,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:41:03,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:41:03,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:41:03,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:41:03,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:41:03,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:41:03,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:41:03,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:41:03,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:41:03,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:41:03,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:41:03,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:41:03,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:41:03,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:41:03,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:41:03,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:41:03,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:41:03,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:41:03,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:41:03,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:41:03,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:41:03,104 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:41:03,105 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:41:03,105 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:41:03,105 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:41:03,105 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:41:03,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:41:03,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:41:03,107 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:41:03,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:41:03,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:41:03,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:41:03,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:41:03,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:41:03,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:41:03,114 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:41:03,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca8c561d44a725c9e83a72546b64d4a8d527f7d8e8f11c5a3011fde526bfd5 [2021-12-28 09:41:03,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:41:03,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:41:03,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:41:03,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:41:03,365 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:41:03,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-12-28 09:41:03,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c0d21c/5ce718f28ee44c94abb3328e95490ff9/FLAGaad632e77 [2021-12-28 09:41:03,765 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:41:03,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c [2021-12-28 09:41:03,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c0d21c/5ce718f28ee44c94abb3328e95490ff9/FLAGaad632e77 [2021-12-28 09:41:04,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c0d21c/5ce718f28ee44c94abb3328e95490ff9 [2021-12-28 09:41:04,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:41:04,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:41:04,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:41:04,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:41:04,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:41:04,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6730a749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04, skipping insertion in model container [2021-12-28 09:41:04,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:41:04,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:41:04,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product05.cil.c[16642,16655] [2021-12-28 09:41:04,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:41:04,434 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:41:04,483 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_spec4_product05.cil.c[16642,16655] [2021-12-28 09:41:04,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:41:04,495 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:41:04,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04 WrapperNode [2021-12-28 09:41:04,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:41:04,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:41:04,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:41:04,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:41:04,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,530 INFO L137 Inliner]: procedures = 50, calls = 148, calls flagged for inlining = 45, calls inlined = 47, statements flattened = 359 [2021-12-28 09:41:04,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:41:04,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:41:04,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:41:04,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:41:04,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:41:04,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:41:04,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:41:04,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:41:04,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (1/1) ... [2021-12-28 09:41:04,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:41:04,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:41:04,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:41:04,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:41:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:41:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:41:04,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:41:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:41:04,663 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:41:04,664 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:41:04,845 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:41:04,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:41:04,850 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:41:04,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:04 BoogieIcfgContainer [2021-12-28 09:41:04,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:41:04,852 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:41:04,853 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:41:04,854 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:41:04,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:04,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:41:04" (1/3) ... [2021-12-28 09:41:04,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64abec07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:41:04, skipping insertion in model container [2021-12-28 09:41:04,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:04,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:04" (2/3) ... [2021-12-28 09:41:04,856 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64abec07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:41:04, skipping insertion in model container [2021-12-28 09:41:04,856 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:04,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:04" (3/3) ... [2021-12-28 09:41:04,857 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2021-12-28 09:41:04,885 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:41:04,886 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:41:04,886 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:41:04,886 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:41:04,886 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:41:04,886 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:41:04,886 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:41:04,886 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:41:04,896 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) [2021-12-28 09:41:04,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-28 09:41:04,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:04,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:04,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:04,923 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:04,923 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:41:04,924 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) [2021-12-28 09:41:04,935 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-28 09:41:04,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:04,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:04,936 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:04,936 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:04,943 INFO L791 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 67#L864true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#L857true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 16#L872true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 68#L590true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 91#L563true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L614-2true [2021-12-28 09:41:04,946 INFO L793 eck$LassoCheckResult]: Loop: 59#L614-2true assume !false; 10#L615true assume test_~splverifierCounter~0#1 < 4; 52#L616true test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 61#L624true assume !(0 != test_~tmp~4#1); 9#L624-2true test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 34#L634true assume !(0 != test_~tmp___0~0#1); 38#L634-2true test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 55#L644true assume 0 != test_~tmp___2~0#1; 6#L650-2true assume { :begin_inline_timeShift } true; 83#L680true assume !(0 != ~pumpRunning~0); 86#L680-2true assume !(0 != ~systemActive~0); 76#L687-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 63#L131true __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 11#L815true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 39#L815-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 49#L697true assume { :end_inline_timeShift } true; 59#L614-2true [2021-12-28 09:41:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-28 09:41:04,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:04,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962872023] [2021-12-28 09:41:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:04,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,090 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:05,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:05,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2021-12-28 09:41:05,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:05,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887474676] [2021-12-28 09:41:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:05,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,159 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,168 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:05,172 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2021-12-28 09:41:05,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:05,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626427082] [2021-12-28 09:41:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:05,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:41:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:41:05,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:41:05,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626427082] [2021-12-28 09:41:05,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626427082] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:41:05,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:41:05,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:41:05,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932629039] [2021-12-28 09:41:05,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:41:05,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:41:05,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 09:41:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 09:41:05,414 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) [2021-12-28 09:41:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:41:05,466 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2021-12-28 09:41:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:41:05,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2021-12-28 09:41:05,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-28 09:41:05,475 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2021-12-28 09:41:05,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2021-12-28 09:41:05,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2021-12-28 09:41:05,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2021-12-28 09:41:05,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:41:05,477 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-28 09:41:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2021-12-28 09:41:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-28 09:41:05,494 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) [2021-12-28 09:41:05,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2021-12-28 09:41:05,499 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-28 09:41:05,499 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-28 09:41:05,499 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:41:05,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2021-12-28 09:41:05,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-28 09:41:05,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:05,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:05,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:05,501 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:05,501 INFO L791 eck$LassoCheckResult]: Stem: 285#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 275#L864 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 268#L857 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 234#L872 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 235#L590 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 279#L563 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 269#L614-2 [2021-12-28 09:41:05,501 INFO L793 eck$LassoCheckResult]: Loop: 269#L614-2 assume !false; 219#L615 assume test_~splverifierCounter~0#1 < 4; 220#L616 test_~tmp~4#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 271#L624 assume !(0 != test_~tmp~4#1); 217#L624-2 test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 218#L634 assume !(0 != test_~tmp___0~0#1); 255#L634-2 test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 260#L644 assume 0 != test_~tmp___2~0#1; 211#L650-2 assume { :begin_inline_timeShift } true; 212#L680 assume !(0 != ~pumpRunning~0); 265#L680-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 288#L712 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 289#L704-1 assume { :end_inline_processEnvironment__wrappee__base } true; 215#L712-1 assume { :end_inline_processEnvironment } true; 216#L687-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_#t~ret48#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 277#L131 __utac_acc__Specification4_spec__1_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret47#1;havoc __utac_acc__Specification4_spec__1_#t~ret47#1; 222#L815 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 223#L815-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 263#L697 assume { :end_inline_timeShift } true; 269#L614-2 [2021-12-28 09:41:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:05,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-28 09:41:05,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:05,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108295569] [2021-12-28 09:41:05,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:05,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:05,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2021-12-28 09:41:05,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:05,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419001147] [2021-12-28 09:41:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:05,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,531 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:05,535 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2021-12-28 09:41:05,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:05,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792177311] [2021-12-28 09:41:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:05,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,551 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:05,561 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:07,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:41:07 BoogieIcfgContainer [2021-12-28 09:41:07,695 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:41:07,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:41:07,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:41:07,695 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:41:07,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:04" (3/4) ... [2021-12-28 09:41:07,697 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:41:07,767 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:41:07,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:41:07,768 INFO L158 Benchmark]: Toolchain (without parser) took 3620.22ms. Allocated memory was 48.2MB in the beginning and 88.1MB in the end (delta: 39.8MB). Free memory was 23.4MB in the beginning and 38.1MB in the end (delta: -14.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,769 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:41:07,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.67ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 23.1MB in the beginning and 37.6MB in the end (delta: -14.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,770 INFO L158 Benchmark]: Boogie Preprocessor took 19.65ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 33.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:41:07,770 INFO L158 Benchmark]: RCFGBuilder took 300.25ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 30.1MB in the end (delta: 3.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,771 INFO L158 Benchmark]: BuchiAutomizer took 2842.21ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 29.8MB in the beginning and 40.1MB in the end (delta: -10.3MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,771 INFO L158 Benchmark]: Witness Printer took 72.60ms. Allocated memory is still 88.1MB. Free memory was 40.1MB in the beginning and 38.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:41:07,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.67ms. Allocated memory was 48.2MB in the beginning and 60.8MB in the end (delta: 12.6MB). Free memory was 23.1MB in the beginning and 37.6MB in the end (delta: -14.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.65ms. Allocated memory is still 60.8MB. Free memory was 34.8MB in the beginning and 33.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.25ms. Allocated memory is still 60.8MB. Free memory was 33.1MB in the beginning and 30.1MB in the end (delta: 3.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2842.21ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 29.8MB in the beginning and 40.1MB in the end (delta: -10.3MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 72.60ms. Allocated memory is still 88.1MB. Free memory was 40.1MB in the beginning and 38.1MB in the end (delta: 2.0MB). 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 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 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 83 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 614]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47bba56a=0, NULL=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a38756=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21775518=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ff26df5=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a119b43=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19471968=29, retValue_acc=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c5dc520=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b673587=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 614]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L502] int cleanupTimeShifts = 4; [L672] int pumpRunning = 0; [L673] int systemActive = 1; [L581] int retValue_acc ; [L582] int tmp ; [L586] FCALL select_helpers() [L587] FCALL select_features() [L588] CALL, EXPR valid_product() [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); [L588] RET, EXPR valid_product() [L588] tmp = valid_product() [L590] COND TRUE \read(tmp) [L592] FCALL setup() [L593] CALL runTest() [L572] CALL test() [L605] int splverifierCounter ; [L606] int tmp ; [L607] int tmp___0 ; [L608] int tmp___1 ; [L609] int tmp___2 ; [L612] splverifierCounter = 0 Loop: [L614] COND TRUE 1 [L616] COND TRUE splverifierCounter < 4 [L622] tmp = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp)) [L632] tmp___0 = __VERIFIER_nondet_int() [L634] COND FALSE !(\read(tmp___0)) [L642] tmp___2 = __VERIFIER_nondet_int() [L644] COND TRUE \read(tmp___2) [L657] CALL timeShift() [L680] COND FALSE !(\read(pumpRunning)) [L687] COND TRUE \read(systemActive) [L689] CALL processEnvironment() [L709] int tmp ; [L712] COND FALSE !(\read(pumpRunning)) [L727] FCALL processEnvironment__wrappee__base() [L689] RET processEnvironment() [L695] CALL __utac_acc__Specification4_spec__1() [L808] int tmp ; [L809] int tmp___0 ; [L813] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L813] RET, EXPR getWaterLevel() [L813] tmp = getWaterLevel() [L815] COND FALSE !(tmp == 0) [L695] RET __utac_acc__Specification4_spec__1() [L657] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:41:07,814 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)