./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_spec5_product15.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 d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:25,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:25,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:25,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:25,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:25,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:25,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:25,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:25,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:25,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:25,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:25,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:25,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:25,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:25,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:25,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:25,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:25,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:25,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:25,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:25,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:25,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:25,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:25,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:25,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:25,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:25,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:25,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:25,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:25,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:25,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:25,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:25,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:25,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:25,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:25,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:25,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:25,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:25,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:25,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:25,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:25,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:25,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:25,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:25,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:25,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:25,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:25,444 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:25,444 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:25,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:25,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:25,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:25,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:25,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:25,447 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:25,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f3facefcf920bf8f8138d914907ca196bce75367abcd95ac8ef69b29697377 [2022-02-21 04:18:25,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:25,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:25,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:25,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:25,698 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:25,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2022-02-21 04:18:25,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61d0781c/a0c2896d44c64b96a8499831fce5658e/FLAG2da359994 [2022-02-21 04:18:26,183 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:26,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product15.cil.c [2022-02-21 04:18:26,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61d0781c/a0c2896d44c64b96a8499831fce5658e/FLAG2da359994 [2022-02-21 04:18:26,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a61d0781c/a0c2896d44c64b96a8499831fce5658e [2022-02-21 04:18:26,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:26,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:26,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:26,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:26,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:26,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1a147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26, skipping insertion in model container [2022-02-21 04:18:26,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:26,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:26,526 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_spec5_product15.cil.c[17325,17338] [2022-02-21 04:18:26,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:26,537 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:26,597 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_spec5_product15.cil.c[17325,17338] [2022-02-21 04:18:26,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:26,614 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:26,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26 WrapperNode [2022-02-21 04:18:26,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:26,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:26,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:26,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:26,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,705 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 56, statements flattened = 406 [2022-02-21 04:18:26,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:26,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:26,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:26,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:26,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:26,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:26,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:26,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:26,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (1/1) ... [2022-02-21 04:18:26,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:26,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:18:26,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:18:26,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:26,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:26,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:26,886 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:26,887 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:27,232 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:27,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:27,239 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:27,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:27 BoogieIcfgContainer [2022-02-21 04:18:27,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:27,242 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:27,242 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:27,246 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:27,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:27,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:26" (1/3) ... [2022-02-21 04:18:27,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46012fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:27, skipping insertion in model container [2022-02-21 04:18:27,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:27,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:26" (2/3) ... [2022-02-21 04:18:27,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46012fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:27, skipping insertion in model container [2022-02-21 04:18:27,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:27,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:27" (3/3) ... [2022-02-21 04:18:27,250 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product15.cil.c [2022-02-21 04:18:27,304 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:27,304 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:27,304 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:27,304 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:27,304 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:27,305 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:27,305 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:27,305 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:27,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:27,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-02-21 04:18:27,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:27,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:27,404 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:27,405 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:27,405 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:27,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:27,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-02-21 04:18:27,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:27,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:27,435 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:27,435 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:27,444 INFO L791 eck$LassoCheckResult]: Stem: 101#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 111#L788true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#L781true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 73#L796true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 85#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 96#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 11#L897true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 9#L709-2true [2022-02-21 04:18:27,446 INFO L793 eck$LassoCheckResult]: Loop: 9#L709-2true assume !false; 56#L710true assume test_~splverifierCounter~0#1 < 4; 39#L711true test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 60#L719true assume !(0 != test_~tmp~6#1); 22#L719-2true test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 34#L729true assume !(0 != test_~tmp___0~0#1); 75#L729-2true test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 4#L739true assume 0 != test_~tmp___2~0#1; 97#L745-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 30#L643true __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 50#L907true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 68#L541true assume !(0 != ~pumpRunning~0); 17#L541-2true assume !(0 != ~systemActive~0); 92#L548-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 20#L877true __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 16#L918true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 31#L918-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 108#L558true assume { :end_inline_timeShift } true; 9#L709-2true [2022-02-21 04:18:27,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:27,453 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:27,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:27,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454938829] [2022-02-21 04:18:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:27,588 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:27,678 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:27,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1362691668, now seen corresponding path program 1 times [2022-02-21 04:18:27,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:27,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856276533] [2022-02-21 04:18:27,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:27,694 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:27,702 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:27,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1592923221, now seen corresponding path program 1 times [2022-02-21 04:18:27,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:27,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473571190] [2022-02-21 04:18:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:27,895 INFO L290 TraceCheckUtils]: 0: Hoare triple {118#true} 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:27,896 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:27,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {120#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {120#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:27,897 INFO L290 TraceCheckUtils]: 3: Hoare triple {120#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {121#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:27,898 INFO L290 TraceCheckUtils]: 4: Hoare triple {121#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {122#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:18:27,898 INFO L290 TraceCheckUtils]: 5: Hoare triple {122#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,899 INFO L290 TraceCheckUtils]: 6: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,899 INFO L290 TraceCheckUtils]: 7: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,900 INFO L290 TraceCheckUtils]: 8: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !false; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,901 INFO L290 TraceCheckUtils]: 9: Hoare triple {123#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,902 INFO L290 TraceCheckUtils]: 10: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,902 INFO L290 TraceCheckUtils]: 11: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6#1); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,903 INFO L290 TraceCheckUtils]: 12: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,904 INFO L290 TraceCheckUtils]: 13: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,904 INFO L290 TraceCheckUtils]: 14: Hoare triple {123#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,905 INFO L290 TraceCheckUtils]: 15: Hoare triple {123#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,905 INFO L290 TraceCheckUtils]: 16: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,906 INFO L290 TraceCheckUtils]: 17: Hoare triple {123#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,907 INFO L290 TraceCheckUtils]: 18: Hoare triple {123#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,907 INFO L290 TraceCheckUtils]: 19: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {123#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:27,908 INFO L290 TraceCheckUtils]: 20: Hoare triple {123#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {119#false} is VALID [2022-02-21 04:18:27,910 INFO L290 TraceCheckUtils]: 21: Hoare triple {119#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {119#false} is VALID [2022-02-21 04:18:27,911 INFO L290 TraceCheckUtils]: 22: Hoare triple {119#false} __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; {119#false} is VALID [2022-02-21 04:18:27,911 INFO L290 TraceCheckUtils]: 23: Hoare triple {119#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); {119#false} is VALID [2022-02-21 04:18:27,911 INFO L290 TraceCheckUtils]: 24: Hoare triple {119#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {119#false} is VALID [2022-02-21 04:18:27,911 INFO L290 TraceCheckUtils]: 25: Hoare triple {119#false} assume { :end_inline_timeShift } true; {119#false} is VALID [2022-02-21 04:18:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:27,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:27,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473571190] [2022-02-21 04:18:27,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473571190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:27,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:27,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:27,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620704111] [2022-02-21 04:18:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:28,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:28,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:28,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:28,123 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:28,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:28,921 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2022-02-21 04:18:28,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:28,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:28,955 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:28,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 354 transitions. [2022-02-21 04:18:28,977 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2022-02-21 04:18:28,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 324 transitions. [2022-02-21 04:18:28,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2022-02-21 04:18:28,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2022-02-21 04:18:28,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-02-21 04:18:28,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:28,991 INFO L681 BuchiCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-02-21 04:18:29,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-02-21 04:18:29,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2022-02-21 04:18:29,020 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:29,021 INFO L82 GeneralOperation]: Start isEquivalent. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,023 INFO L74 IsIncluded]: Start isIncluded. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,024 INFO L87 Difference]: Start difference. First operand 249 states and 324 transitions. Second operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:29,033 INFO L93 Difference]: Finished difference Result 249 states and 324 transitions. [2022-02-21 04:18:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 324 transitions. [2022-02-21 04:18:29,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:29,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:29,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 249 states and 324 transitions. [2022-02-21 04:18:29,037 INFO L87 Difference]: Start difference. First operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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 249 states and 324 transitions. [2022-02-21 04:18:29,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:29,045 INFO L93 Difference]: Finished difference Result 249 states and 324 transitions. [2022-02-21 04:18:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 324 transitions. [2022-02-21 04:18:29,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:29,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:29,047 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:29,047 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2022-02-21 04:18:29,053 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2022-02-21 04:18:29,053 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2022-02-21 04:18:29,053 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:29,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 206 transitions. [2022-02-21 04:18:29,054 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2022-02-21 04:18:29,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:29,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:29,055 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:29,055 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, 1, 1] [2022-02-21 04:18:29,056 INFO L791 eck$LassoCheckResult]: Stem: 503#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 459#L788 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 496#L781 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 488#L796 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 489#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 497#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 422#L897 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 419#L709-2 [2022-02-21 04:18:29,056 INFO L793 eck$LassoCheckResult]: Loop: 419#L709-2 assume !false; 420#L710 assume test_~splverifierCounter~0#1 < 4; 465#L711 test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 466#L719 assume !(0 != test_~tmp~6#1); 441#L719-2 test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 442#L729 assume !(0 != test_~tmp___0~0#1); 457#L729-2 test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 407#L739 assume 0 != test_~tmp___2~0#1; 408#L745-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 451#L643 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 452#L907 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 479#L541 assume !(0 != ~pumpRunning~0); 432#L541-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 433#L573 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 427#L565-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 428#L573-1 assume { :end_inline_processEnvironment } true; 474#L548-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 437#L877 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 429#L918 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); 431#L918-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 453#L558 assume { :end_inline_timeShift } true; 419#L709-2 [2022-02-21 04:18:29,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:29,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706257603] [2022-02-21 04:18:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,073 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,088 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1072773688, now seen corresponding path program 1 times [2022-02-21 04:18:29,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062717200] [2022-02-21 04:18:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,100 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,101 INFO L85 PathProgramCache]: Analyzing trace with hash 671396591, now seen corresponding path program 1 times [2022-02-21 04:18:29,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988380414] [2022-02-21 04:18:29,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:29,176 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#true} 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,177 INFO L290 TraceCheckUtils]: 1: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,178 INFO L290 TraceCheckUtils]: 2: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,178 INFO L290 TraceCheckUtils]: 3: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,179 INFO L290 TraceCheckUtils]: 4: Hoare triple {1072#(<= ~waterLevel~0 1)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,179 INFO L290 TraceCheckUtils]: 5: Hoare triple {1072#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,180 INFO L290 TraceCheckUtils]: 6: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,180 INFO L290 TraceCheckUtils]: 7: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,181 INFO L290 TraceCheckUtils]: 8: Hoare triple {1072#(<= ~waterLevel~0 1)} assume !false; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,181 INFO L290 TraceCheckUtils]: 9: Hoare triple {1072#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,182 INFO L290 TraceCheckUtils]: 10: Hoare triple {1072#(<= ~waterLevel~0 1)} test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,182 INFO L290 TraceCheckUtils]: 11: Hoare triple {1072#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~6#1); {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,182 INFO L290 TraceCheckUtils]: 12: Hoare triple {1072#(<= ~waterLevel~0 1)} test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,183 INFO L290 TraceCheckUtils]: 13: Hoare triple {1072#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~0#1); {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,183 INFO L290 TraceCheckUtils]: 14: Hoare triple {1072#(<= ~waterLevel~0 1)} test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,184 INFO L290 TraceCheckUtils]: 15: Hoare triple {1072#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,184 INFO L290 TraceCheckUtils]: 16: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,185 INFO L290 TraceCheckUtils]: 17: Hoare triple {1072#(<= ~waterLevel~0 1)} __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,185 INFO L290 TraceCheckUtils]: 18: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,185 INFO L290 TraceCheckUtils]: 19: Hoare triple {1072#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,186 INFO L290 TraceCheckUtils]: 20: Hoare triple {1072#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,186 INFO L290 TraceCheckUtils]: 21: Hoare triple {1072#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,187 INFO L290 TraceCheckUtils]: 22: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,188 INFO L290 TraceCheckUtils]: 23: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {1072#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:29,190 INFO L290 TraceCheckUtils]: 24: Hoare triple {1072#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {1073#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:29,190 INFO L290 TraceCheckUtils]: 25: Hoare triple {1073#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; {1074#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7#1| 1)} is VALID [2022-02-21 04:18:29,193 INFO L290 TraceCheckUtils]: 26: Hoare triple {1074#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~7#1); {1071#false} is VALID [2022-02-21 04:18:29,193 INFO L290 TraceCheckUtils]: 27: Hoare triple {1071#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {1071#false} is VALID [2022-02-21 04:18:29,193 INFO L290 TraceCheckUtils]: 28: Hoare triple {1071#false} assume { :end_inline_timeShift } true; {1071#false} is VALID [2022-02-21 04:18:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:29,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:29,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988380414] [2022-02-21 04:18:29,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988380414] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:29,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:29,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:29,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296396594] [2022-02-21 04:18:29,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:29,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:29,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:29,327 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:29,802 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2022-02-21 04:18:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:29,803 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,828 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:29,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 423 states and 549 transitions. [2022-02-21 04:18:29,844 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 280 [2022-02-21 04:18:29,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 423 states to 423 states and 549 transitions. [2022-02-21 04:18:29,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 423 [2022-02-21 04:18:29,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 423 [2022-02-21 04:18:29,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 423 states and 549 transitions. [2022-02-21 04:18:29,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:29,863 INFO L681 BuchiCegarLoop]: Abstraction has 423 states and 549 transitions. [2022-02-21 04:18:29,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states and 549 transitions. [2022-02-21 04:18:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 306. [2022-02-21 04:18:29,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:29,889 INFO L82 GeneralOperation]: Start isEquivalent. First operand 423 states and 549 transitions. Second operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,889 INFO L74 IsIncluded]: Start isIncluded. First operand 423 states and 549 transitions. Second operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,890 INFO L87 Difference]: Start difference. First operand 423 states and 549 transitions. Second operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:29,904 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2022-02-21 04:18:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2022-02-21 04:18:29,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:29,909 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:29,910 INFO L74 IsIncluded]: Start isIncluded. First operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 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 423 states and 549 transitions. [2022-02-21 04:18:29,911 INFO L87 Difference]: Start difference. First operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 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 423 states and 549 transitions. [2022-02-21 04:18:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:29,924 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2022-02-21 04:18:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2022-02-21 04:18:29,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:29,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:29,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:29,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.2875816993464053) internal successors, (394), 305 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 394 transitions. [2022-02-21 04:18:29,939 INFO L704 BuchiCegarLoop]: Abstraction has 306 states and 394 transitions. [2022-02-21 04:18:29,939 INFO L587 BuchiCegarLoop]: Abstraction has 306 states and 394 transitions. [2022-02-21 04:18:29,939 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:29,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 394 transitions. [2022-02-21 04:18:29,940 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 222 [2022-02-21 04:18:29,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:29,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:29,942 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:29,943 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, 1, 1, 1, 1] [2022-02-21 04:18:29,943 INFO L791 eck$LassoCheckResult]: Stem: 1612#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 1556#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1557#L788 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1601#L781 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1591#L796 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1592#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1603#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1519#L897 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1516#L709-2 [2022-02-21 04:18:29,943 INFO L793 eck$LassoCheckResult]: Loop: 1516#L709-2 assume !false; 1517#L710 assume test_~splverifierCounter~0#1 < 4; 1563#L711 test_~tmp~6#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1564#L719 assume !(0 != test_~tmp~6#1); 1537#L719-2 test_~tmp___0~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1538#L729 assume !(0 != test_~tmp___0~0#1); 1701#L729-2 test_~tmp___2~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 1700#L739 assume 0 != test_~tmp___2~0#1; 1699#L745-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret49#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 1725#L643 __utac_acc__Specification5_spec__2_#t~ret49#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret49#1;havoc __utac_acc__Specification5_spec__2_#t~ret49#1; 1724#L907 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1721#L541 assume !(0 != ~pumpRunning~0); 1704#L541-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret28#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1570#L573 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1524#L565-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1525#L573-1 assume { :end_inline_processEnvironment } true; 1575#L548-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_~tmp~7#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~7#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1609#L877 __utac_acc__Specification5_spec__3_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~7#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1526#L918 assume 2 != __utac_acc__Specification5_spec__3_~tmp~7#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1; 1527#L643-1 __utac_acc__Specification5_spec__3_#t~ret51#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1638#L922 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 1637#L918-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1616#L558 assume { :end_inline_timeShift } true; 1516#L709-2 [2022-02-21 04:18:29,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,944 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:29,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232945429] [2022-02-21 04:18:29,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,961 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,988 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:29,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,991 INFO L85 PathProgramCache]: Analyzing trace with hash 124264595, now seen corresponding path program 1 times [2022-02-21 04:18:29,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755000345] [2022-02-21 04:18:29,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,999 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,003 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:30,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:30,004 INFO L85 PathProgramCache]: Analyzing trace with hash 947931018, now seen corresponding path program 1 times [2022-02-21 04:18:30,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:30,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70746423] [2022-02-21 04:18:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:30,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,035 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:32,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:32 BoogieIcfgContainer [2022-02-21 04:18:32,834 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:32,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:32,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:32,835 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:32,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:27" (3/4) ... [2022-02-21 04:18:32,838 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:32,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:32,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:32,884 INFO L158 Benchmark]: Toolchain (without parser) took 6672.44ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 88.5MB in the beginning and 82.2MB in the end (delta: 6.3MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,885 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:32,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.34ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 77.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.63ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 73.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,886 INFO L158 Benchmark]: Boogie Preprocessor took 38.23ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:32,887 INFO L158 Benchmark]: RCFGBuilder took 485.78ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 71.8MB in the beginning and 111.8MB in the end (delta: -40.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,887 INFO L158 Benchmark]: BuchiAutomizer took 5592.93ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 111.8MB in the beginning and 85.4MB in the end (delta: 26.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,888 INFO L158 Benchmark]: Witness Printer took 46.67ms. Allocated memory is still 167.8MB. Free memory was 85.4MB in the beginning and 82.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:32,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.34ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 77.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.63ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 73.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.23ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.78ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 71.8MB in the beginning and 111.8MB in the end (delta: -40.1MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5592.93ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 111.8MB in the beginning and 85.4MB in the end (delta: 26.4MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Witness Printer took 46.67ms. Allocated memory is still 167.8MB. Free memory was 85.4MB in the beginning and 82.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 306 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 306 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 880 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 880 mSDsluCounter, 1426 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1122 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 304 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 709]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32cc8268=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43dc4768=0, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fc406ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62a99b9e=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c33e9c3=0, tmp___2=29, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c3df87a=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a595ece=0, \result=0, tmp___0=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e6a8f1b=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d84230f=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 709]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L529] int pumpRunning = 0; [L530] int systemActive = 1; [L802] int waterLevel = 1; [L803] int methaneLevelCritical = 0; [L891] int switchedOnBeforeTS ; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L792] int retValue_acc ; [L795] retValue_acc = 1 [L796] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L896] switchedOnBeforeTS = 0 [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L700] int splverifierCounter ; [L701] int tmp ; [L702] int tmp___0 ; [L703] int tmp___1 ; [L704] int tmp___2 ; [L707] splverifierCounter = 0 Loop: [L709] COND TRUE 1 [L711] COND TRUE splverifierCounter < 4 [L717] tmp = __VERIFIER_nondet_int() [L719] COND FALSE !(\read(tmp)) [L727] tmp___0 = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp___0)) [L737] tmp___2 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___2) [L754] CALL timeShift() [L539] CALL __utac_acc__Specification5_spec__2() [L905] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L905] RET, EXPR isPumpRunning() [L905] switchedOnBeforeTS = isPumpRunning() [L539] RET __utac_acc__Specification5_spec__2() [L541] COND FALSE !(\read(pumpRunning)) [L548] COND TRUE \read(systemActive) [L550] CALL processEnvironment() [L570] int tmp ; [L573] COND FALSE !(\read(pumpRunning)) [L588] FCALL processEnvironment__wrappee__methaneQuery() [L550] RET processEnvironment() [L556] CALL __utac_acc__Specification5_spec__3() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L873] int retValue_acc ; [L876] retValue_acc = waterLevel [L877] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND TRUE tmp != 2 [L920] CALL, EXPR isPumpRunning() [L639] int retValue_acc ; [L642] retValue_acc = pumpRunning [L643] return (retValue_acc); [L920] RET, EXPR isPumpRunning() [L920] tmp___0 = isPumpRunning() [L922] COND FALSE !(\read(tmp___0)) [L556] RET __utac_acc__Specification5_spec__3() [L754] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:32,940 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)