./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_spec2_product09.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 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:37:36,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:37:36,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:37:36,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:37:36,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:37:36,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:37:36,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:37:36,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:37:36,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:37:36,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:37:36,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:37:36,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:37:36,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:37:36,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:37:36,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:37:36,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:37:36,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:37:36,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:37:36,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:37:36,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:37:36,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:37:36,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:37:36,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:37:36,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:37:36,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:37:36,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:37:36,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:37:36,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:37:36,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:37:36,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:37:36,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:37:36,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:37:36,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:37:36,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:37:36,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:37:36,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:37:36,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:37:36,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:37:36,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:37:36,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:37:36,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:37:36,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:37:36,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:37:36,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:37:36,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:37:36,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:37:36,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:37:36,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:37:36,640 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:37:36,640 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:37:36,640 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:37:36,640 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:37:36,641 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:37:36,641 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:37:36,641 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:37:36,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:37:36,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:37:36,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:37:36,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:37:36,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:37:36,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:37:36,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:37:36,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:37:36,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:37:36,645 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:37:36,645 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253216605bcefff455f75b86610d9086dd77a5c120ff63014eec6402e624337d [2021-12-14 23:37:36,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:37:36,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:37:36,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:37:36,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:37:36,870 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:37:36,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-12-14 23:37:36,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5b8b45d/f02827629f1d4e18a290642630e760da/FLAG308c71738 [2021-12-14 23:37:37,302 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:37:37,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2021-12-14 23:37:37,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5b8b45d/f02827629f1d4e18a290642630e760da/FLAG308c71738 [2021-12-14 23:37:37,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a5b8b45d/f02827629f1d4e18a290642630e760da [2021-12-14 23:37:37,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:37:37,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:37:37,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:37,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:37:37,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:37:37,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ad1e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37, skipping insertion in model container [2021-12-14 23:37:37,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:37:37,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:37:37,517 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_spec2_product09.cil.c[1605,1618] [2021-12-14 23:37:37,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:37,595 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:37:37,619 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_spec2_product09.cil.c[1605,1618] [2021-12-14 23:37:37,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:37,706 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:37:37,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37 WrapperNode [2021-12-14 23:37:37,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:37,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:37,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:37:37,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:37:37,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,798 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 294 [2021-12-14 23:37:37,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:37,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:37:37,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:37:37,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:37:37,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:37:37,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:37:37,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:37:37,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:37:37,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (1/1) ... [2021-12-14 23:37:37,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:37,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:37,901 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) [2021-12-14 23:37:37,903 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 [2021-12-14 23:37:37,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:37:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:37:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:37:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:37:37,979 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:37:37,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:37:38,146 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:37:38,151 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:37:38,151 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:37:38,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:38 BoogieIcfgContainer [2021-12-14 23:37:38,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:37:38,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:37:38,154 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:37:38,156 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:37:38,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:38,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:37:37" (1/3) ... [2021-12-14 23:37:38,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52a07893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:38, skipping insertion in model container [2021-12-14 23:37:38,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:38,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:37" (2/3) ... [2021-12-14 23:37:38,158 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52a07893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:38, skipping insertion in model container [2021-12-14 23:37:38,158 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:38,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:38" (3/3) ... [2021-12-14 23:37:38,159 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2021-12-14 23:37:38,187 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:37:38,187 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:37:38,187 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:37:38,187 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:37:38,187 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:37:38,188 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:37:38,188 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:37:38,188 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:37:38,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 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) [2021-12-14 23:37:38,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2021-12-14 23:37:38,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:38,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:38,257 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:38,275 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:38,275 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:37:38,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 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) [2021-12-14 23:37:38,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2021-12-14 23:37:38,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:38,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:38,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:38,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:38,303 INFO L791 eck$LassoCheckResult]: Stem: 69#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 58#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 68#L869true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 16#L862true 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; 29#L877true main_#t~ret43#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 9#L752true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 14#L725true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 72#L633true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 73#L439-2true [2021-12-14 23:37:38,304 INFO L793 eck$LassoCheckResult]: Loop: 73#L439-2true assume !false; 49#L440true assume test_~splverifierCounter~0#1 < 4; 31#L441true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 4#L449true assume !(0 != test_~tmp~3#1); 24#L449-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 13#L459true assume !(0 != test_~tmp___0~0#1); 32#L459-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 19#L469true assume 0 != test_~tmp___2~0#1; 44#L475-2true assume { :begin_inline_timeShift } true; 63#L509true assume !(0 != ~pumpRunning~0); 20#L509-2true assume !(0 != ~systemActive~0); 59#L516-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 8#L810true __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 57#L644true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 67#L644-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 41#L526true assume { :end_inline_timeShift } true; 73#L439-2true [2021-12-14 23:37:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:38,308 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-14 23:37:38,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:38,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058495872] [2021-12-14 23:37:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:38,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:38,491 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:38,583 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:38,585 INFO L85 PathProgramCache]: Analyzing trace with hash 980400586, now seen corresponding path program 1 times [2021-12-14 23:37:38,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:38,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242639293] [2021-12-14 23:37:38,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:38,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:38,610 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:38,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash 818113203, now seen corresponding path program 1 times [2021-12-14 23:37:38,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:38,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741870360] [2021-12-14 23:37:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:38,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:37:38,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:37:38,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741870360] [2021-12-14 23:37:38,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741870360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:37:38,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:37:38,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:37:38,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178447092] [2021-12-14 23:37:38,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:37:38,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:37:38,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:37:38,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:37:38,921 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-12-14 23:37:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:37:38,970 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2021-12-14 23:37:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:37:38,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 95 transitions. [2021-12-14 23:37:38,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2021-12-14 23:37:38,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 66 states and 85 transitions. [2021-12-14 23:37:38,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2021-12-14 23:37:38,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2021-12-14 23:37:38,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 85 transitions. [2021-12-14 23:37:38,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:38,988 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2021-12-14 23:37:38,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 85 transitions. [2021-12-14 23:37:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-12-14 23:37:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 65 states have internal predecessors, (85), 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) [2021-12-14 23:37:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2021-12-14 23:37:39,013 INFO L704 BuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2021-12-14 23:37:39,013 INFO L587 BuchiCegarLoop]: Abstraction has 66 states and 85 transitions. [2021-12-14 23:37:39,013 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:37:39,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 85 transitions. [2021-12-14 23:37:39,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 44 [2021-12-14 23:37:39,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:39,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:39,016 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:39,016 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:39,016 INFO L791 eck$LassoCheckResult]: Stem: 237#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret43#1, main_~retValue_acc~5#1, main_~tmp~6#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 230#L869 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 192#L862 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; 193#L877 main_#t~ret43#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret43#1;havoc main_#t~ret43#1; 181#L752 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 182#L725 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 191#L633 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 215#L439-2 [2021-12-14 23:37:39,016 INFO L793 eck$LassoCheckResult]: Loop: 215#L439-2 assume !false; 221#L440 assume test_~splverifierCounter~0#1 < 4; 210#L441 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 173#L449 assume !(0 != test_~tmp~3#1); 175#L449-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 188#L459 assume !(0 != test_~tmp___0~0#1); 190#L459-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 195#L469 assume 0 != test_~tmp___2~0#1; 184#L475-2 assume { :begin_inline_timeShift } true; 219#L509 assume !(0 != ~pumpRunning~0); 196#L509-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 197#L533 assume { :end_inline_processEnvironment } true; 231#L516-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret41#1, __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 178#L810 __utac_acc__Specification2_spec__2_#t~ret41#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret41#1;havoc __utac_acc__Specification2_spec__2_#t~ret41#1; 179#L644 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 228#L644-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 214#L526 assume { :end_inline_timeShift } true; 215#L439-2 [2021-12-14 23:37:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-14 23:37:39,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50615813] [2021-12-14 23:37:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:39,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,075 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash 955548009, now seen corresponding path program 1 times [2021-12-14 23:37:39,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464865299] [2021-12-14 23:37:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:39,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,080 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:39,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:39,083 INFO L85 PathProgramCache]: Analyzing trace with hash 219606432, now seen corresponding path program 1 times [2021-12-14 23:37:39,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:39,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055682402] [2021-12-14 23:37:39,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:39,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,091 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:39,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:37:41 BoogieIcfgContainer [2021-12-14 23:37:41,329 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:37:41,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:37:41,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:37:41,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:37:41,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:38" (3/4) ... [2021-12-14 23:37:41,333 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-14 23:37:41,380 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 23:37:41,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:37:41,381 INFO L158 Benchmark]: Toolchain (without parser) took 4053.12ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 79.7MB in the beginning and 118.5MB in the end (delta: -38.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,381 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:41,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.65ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 79.7MB in the beginning and 110.7MB in the end (delta: -31.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.22ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,382 INFO L158 Benchmark]: Boogie Preprocessor took 66.43ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,391 INFO L158 Benchmark]: RCFGBuilder took 287.03ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 91.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,391 INFO L158 Benchmark]: BuchiAutomizer took 3175.50ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 91.0MB in the beginning and 120.6MB in the end (delta: -29.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2021-12-14 23:37:41,392 INFO L158 Benchmark]: Witness Printer took 50.08ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:41,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.65ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 79.7MB in the beginning and 110.7MB in the end (delta: -31.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.22ms. Allocated memory is still 142.6MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.43ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.03ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 91.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3175.50ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 91.0MB in the beginning and 120.6MB in the end (delta: -29.6MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 50.08ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). 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 66 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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 66 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 94 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, 90 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: 439]: 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@6ab8cbaf=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@626a3e36=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@366ae162=0, methaneLevelCritical=0, retValue_acc=1, tmp=0, \result=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1aeb4d9=0, retValue_acc=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, tmp=0, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e29b1c9=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4db57238=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29768ec=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 439]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L501] int pumpRunning = 0; [L502] int systemActive = 1; [L627] int methAndRunningLastTime ; [L666] int cleanupTimeShifts = 4; [L767] int waterLevel = 1; [L768] int methaneLevelCritical = 0; [L743] int retValue_acc ; [L744] int tmp ; [L748] FCALL select_helpers() [L749] FCALL select_features() [L750] CALL, EXPR valid_product() [L873] int retValue_acc ; [L876] retValue_acc = 1 [L877] return (retValue_acc); [L750] RET, EXPR valid_product() [L750] tmp = valid_product() [L752] COND TRUE \read(tmp) [L754] FCALL setup() [L755] CALL runTest() [L733] CALL __utac_acc__Specification2_spec__1() [L632] methAndRunningLastTime = 0 [L733] RET __utac_acc__Specification2_spec__1() [L734] CALL test() [L430] int splverifierCounter ; [L431] int tmp ; [L432] int tmp___0 ; [L433] int tmp___1 ; [L434] int tmp___2 ; [L437] splverifierCounter = 0 Loop: [L439] COND TRUE 1 [L441] COND TRUE splverifierCounter < 4 [L447] tmp = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp)) [L457] tmp___0 = __VERIFIER_nondet_int() [L459] COND FALSE !(\read(tmp___0)) [L467] tmp___2 = __VERIFIER_nondet_int() [L469] COND TRUE \read(tmp___2) [L482] CALL timeShift() [L509] COND FALSE !(\read(pumpRunning)) [L516] COND TRUE \read(systemActive) [L518] FCALL processEnvironment() [L524] CALL __utac_acc__Specification2_spec__2() [L637] int tmp ; [L638] int tmp___0 ; [L642] CALL, EXPR isMethaneLevelCritical() [L806] int retValue_acc ; [L809] retValue_acc = methaneLevelCritical [L810] return (retValue_acc); [L642] RET, EXPR isMethaneLevelCritical() [L642] tmp = isMethaneLevelCritical() [L644] COND FALSE !(\read(tmp)) [L660] methAndRunningLastTime = 0 [L524] RET __utac_acc__Specification2_spec__2() [L482] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-14 23:37:41,435 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)