./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product19.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 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:19:16,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:19:16,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:19:16,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:19:16,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:19:16,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:19:16,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:19:16,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:19:16,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:19:16,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:19:16,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:19:16,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:19:16,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:19:16,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:19:16,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:19:16,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:19:16,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:19:16,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:19:16,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:19:16,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:19:16,242 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:19:16,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:19:16,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:19:16,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:19:16,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:19:16,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:19:16,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:19:16,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:19:16,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:19:16,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:19:16,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:19:16,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:19:16,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:19:16,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:19:16,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:19:16,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:19:16,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:19:16,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:19:16,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:19:16,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:19:16,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:19:16,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:19:16,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:19:16,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:19:16,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:19:16,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:19:16,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:19:16,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:19:16,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:19:16,299 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:19:16,299 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:19:16,300 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:19:16,300 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:19:16,301 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:19:16,301 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:19:16,301 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:19:16,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:19:16,301 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:19:16,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:19:16,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:19:16,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:19:16,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:19:16,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:19:16,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:19:16,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:19:16,304 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:19:16,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:19:16,304 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:19:16,304 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:19:16,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:19:16,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:19:16,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:19:16,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:19:16,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:19:16,307 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:19:16,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2022-07-13 04:19:16,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:19:16,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:19:16,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:19:16,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:19:16,589 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:19:16,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2022-07-13 04:19:16,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ba81ac5/7407415837464f3693f16dcc77b0bf96/FLAG52512509e [2022-07-13 04:19:17,148 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:19:17,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2022-07-13 04:19:17,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ba81ac5/7407415837464f3693f16dcc77b0bf96/FLAG52512509e [2022-07-13 04:19:17,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ba81ac5/7407415837464f3693f16dcc77b0bf96 [2022-07-13 04:19:17,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:19:17,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:19:17,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:17,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:19:17,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:19:17,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:17,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9d45f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17, skipping insertion in model container [2022-07-13 04:19:17,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:17,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:19:17,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:19:17,756 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_product19.cil.c[4965,4978] [2022-07-13 04:19:17,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:17,858 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:19:17,889 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_product19.cil.c[4965,4978] [2022-07-13 04:19:17,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:17,961 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:19:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17 WrapperNode [2022-07-13 04:19:17,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:17,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:17,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:19:17,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:19:17,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:17,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,020 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 51, calls inlined = 56, statements flattened = 424 [2022-07-13 04:19:18,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:18,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:19:18,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:19:18,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:19:18,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:19:18,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:19:18,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:19:18,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:19:18,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (1/1) ... [2022-07-13 04:19:18,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:19:18,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:19:18,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:19:18,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:19:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:19:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:19:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:19:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:19:18,229 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:19:18,231 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:19:18,478 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:19:18,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:19:18,539 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:19:18,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:18 BoogieIcfgContainer [2022-07-13 04:19:18,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:19:18,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:19:18,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:19:18,546 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:19:18,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:18,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:19:17" (1/3) ... [2022-07-13 04:19:18,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b5d97c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:18, skipping insertion in model container [2022-07-13 04:19:18,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:18,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:17" (2/3) ... [2022-07-13 04:19:18,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b5d97c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:18, skipping insertion in model container [2022-07-13 04:19:18,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:18,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:18" (3/3) ... [2022-07-13 04:19:18,550 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2022-07-13 04:19:18,611 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:19:18,611 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:19:18,611 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:19:18,611 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:19:18,611 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:19:18,612 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:19:18,612 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:19:18,612 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:19:18,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:19:18,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-07-13 04:19:18,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:18,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:18,658 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:18,658 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:18,658 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:19:18,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:19:18,668 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-07-13 04:19:18,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:18,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:18,670 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:18,670 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:18,675 INFO L752 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 39#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 14#L792true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 109#L785true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 16#L800true main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 70#L937true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 100#L913true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 58#L811true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L65-2true [2022-07-13 04:19:18,676 INFO L754 eck$LassoCheckResult]: Loop: 37#L65-2true assume !false; 33#L66true assume test_~splverifierCounter~0#1 < 4; 101#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 52#L75true assume !(0 != test_~tmp~0#1); 98#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 35#L85true assume !(0 != test_~tmp___0~0#1); 6#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 75#L95true assume 0 != test_~tmp___2~0#1; 72#L101-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 82#L227true __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 107#L821true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 83#L142true assume !(0 != ~pumpRunning~0); 81#L142-2true assume !(0 != ~systemActive~0); 108#L149-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 114#L753true __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 4#L832true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 112#L832-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 60#L159true assume { :end_inline_timeShift } true; 37#L65-2true [2022-07-13 04:19:18,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:18,681 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:19:18,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:18,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486267245] [2022-07-13 04:19:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:18,835 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:18,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:18,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1155607476, now seen corresponding path program 1 times [2022-07-13 04:19:18,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:18,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273527903] [2022-07-13 04:19:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:18,934 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:18,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1800007413, now seen corresponding path program 1 times [2022-07-13 04:19:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:18,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327091897] [2022-07-13 04:19:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:19,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:19,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327091897] [2022-07-13 04:19:19,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327091897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:19,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:19,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:19:19,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330633562] [2022-07-13 04:19:19,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:19,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:19:19,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:19:19,371 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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) [2022-07-13 04:19:19,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:19,508 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2022-07-13 04:19:19,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:19:19,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2022-07-13 04:19:19,530 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2022-07-13 04:19:19,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2022-07-13 04:19:19,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2022-07-13 04:19:19,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2022-07-13 04:19:19,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2022-07-13 04:19:19,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:19,545 INFO L369 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2022-07-13 04:19:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2022-07-13 04:19:19,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2022-07-13 04:19:19,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:19:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2022-07-13 04:19:19,588 INFO L392 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-07-13 04:19:19,588 INFO L374 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-07-13 04:19:19,588 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:19:19,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2022-07-13 04:19:19,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2022-07-13 04:19:19,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:19,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:19,592 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:19,592 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:19,592 INFO L752 eck$LassoCheckResult]: Stem: 526#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 486#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 448#L792 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 449#L785 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 452#L800 main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 453#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 512#L913 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 502#L811 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 483#L65-2 [2022-07-13 04:19:19,593 INFO L754 eck$LassoCheckResult]: Loop: 483#L65-2 assume !false; 476#L66 assume test_~splverifierCounter~0#1 < 4; 477#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 497#L75 assume !(0 != test_~tmp~0#1); 460#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 479#L85 assume !(0 != test_~tmp___0~0#1); 432#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 433#L95 assume 0 != test_~tmp___2~0#1; 513#L101-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 514#L227 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 520#L821 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 521#L142 assume !(0 != ~pumpRunning~0); 503#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 519#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 510#L166-1 assume { :end_inline_processEnvironment__wrappee__base } true; 496#L174-1 assume { :end_inline_processEnvironment } true; 518#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 528#L753 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 427#L832 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 429#L832-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 504#L159 assume { :end_inline_timeShift } true; 483#L65-2 [2022-07-13 04:19:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:19:19,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:19,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390367200] [2022-07-13 04:19:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:19,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:19,628 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:19,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:19,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1782780488, now seen corresponding path program 1 times [2022-07-13 04:19:19,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:19,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798647074] [2022-07-13 04:19:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:19,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:19,664 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:19,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:19,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:19,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2110809711, now seen corresponding path program 1 times [2022-07-13 04:19:19,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:19,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543873986] [2022-07-13 04:19:19,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:19,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:19,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543873986] [2022-07-13 04:19:19,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543873986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:19,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:19,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:19:19,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144628027] [2022-07-13 04:19:19,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:19,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:19,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:19:19,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:19:19,867 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 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) [2022-07-13 04:19:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:20,007 INFO L93 Difference]: Finished difference Result 447 states and 577 transitions. [2022-07-13 04:19:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:19:20,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 447 states and 577 transitions. [2022-07-13 04:19:20,014 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2022-07-13 04:19:20,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 447 states to 447 states and 577 transitions. [2022-07-13 04:19:20,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 447 [2022-07-13 04:19:20,019 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2022-07-13 04:19:20,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 447 states and 577 transitions. [2022-07-13 04:19:20,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:20,024 INFO L369 hiAutomatonCegarLoop]: Abstraction has 447 states and 577 transitions. [2022-07-13 04:19:20,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states and 577 transitions. [2022-07-13 04:19:20,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 312. [2022-07-13 04:19:20,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 312 states have (on average 1.2820512820512822) internal successors, (400), 311 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:19:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 400 transitions. [2022-07-13 04:19:20,039 INFO L392 hiAutomatonCegarLoop]: Abstraction has 312 states and 400 transitions. [2022-07-13 04:19:20,039 INFO L374 stractBuchiCegarLoop]: Abstraction has 312 states and 400 transitions. [2022-07-13 04:19:20,040 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:19:20,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states and 400 transitions. [2022-07-13 04:19:20,041 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2022-07-13 04:19:20,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:20,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:20,042 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:20,042 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:20,043 INFO L752 eck$LassoCheckResult]: Stem: 1167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 1114#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 1074#L792 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1075#L785 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 1079#L800 main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 1080#L937 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 1147#L913 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1135#L811 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1136#L65-2 [2022-07-13 04:19:20,043 INFO L754 eck$LassoCheckResult]: Loop: 1136#L65-2 assume !false; 1320#L66 assume test_~splverifierCounter~0#1 < 4; 1321#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1347#L75 assume !(0 != test_~tmp~0#1); 1346#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1344#L85 assume !(0 != test_~tmp___0~0#1); 1336#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1324#L95 assume 0 != test_~tmp___2~0#1; 1148#L101-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret48#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1149#L227 __utac_acc__Specification5_spec__2_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret48#1;havoc __utac_acc__Specification5_spec__2_#t~ret48#1; 1157#L821 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1158#L142 assume !(0 != ~pumpRunning~0); 1159#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1274#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1338#L166-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1154#L174-1 assume { :end_inline_processEnvironment } true; 1155#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret49#1, __utac_acc__Specification5_spec__3_#t~ret50#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1170#L753 __utac_acc__Specification5_spec__3_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret49#1;havoc __utac_acc__Specification5_spec__3_#t~ret49#1; 1054#L832 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1055#L227-1 __utac_acc__Specification5_spec__3_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret50#1;havoc __utac_acc__Specification5_spec__3_#t~ret50#1; 1076#L836 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1077#L832-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1138#L159 assume { :end_inline_timeShift } true; 1136#L65-2 [2022-07-13 04:19:20,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:20,044 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-13 04:19:20,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:20,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675796002] [2022-07-13 04:19:20,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,054 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:20,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:20,066 INFO L85 PathProgramCache]: Analyzing trace with hash 420803827, now seen corresponding path program 1 times [2022-07-13 04:19:20,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:20,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186888930] [2022-07-13 04:19:20,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,071 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:20,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1244470250, now seen corresponding path program 1 times [2022-07-13 04:19:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:20,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728463935] [2022-07-13 04:19:20,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,106 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:20,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:19:23 BoogieIcfgContainer [2022-07-13 04:19:23,000 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:19:23,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:19:23,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:19:23,002 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:19:23,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:18" (3/4) ... [2022-07-13 04:19:23,005 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:19:23,064 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:19:23,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:19:23,072 INFO L158 Benchmark]: Toolchain (without parser) took 5581.79ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 54.3MB in the beginning and 120.8MB in the end (delta: -66.5MB). Peak memory consumption was 703.0kB. Max. memory is 16.1GB. [2022-07-13 04:19:23,075 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:23,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.87ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 85.5MB in the end (delta: -31.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.56ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 82.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,077 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,078 INFO L158 Benchmark]: RCFGBuilder took 480.93ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 93.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,078 INFO L158 Benchmark]: BuchiAutomizer took 4457.58ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 92.8MB in the beginning and 123.9MB in the end (delta: -31.2MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,078 INFO L158 Benchmark]: Witness Printer took 68.13ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:23,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.87ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 54.2MB in the beginning and 85.5MB in the end (delta: -31.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.56ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 82.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.93ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 93.2MB in the end (delta: -12.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 4457.58ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 92.8MB in the beginning and 123.9MB in the end (delta: -31.2MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Witness Printer took 68.13ms. Allocated memory is still 159.4MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 312 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 232 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1103 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1103 mSDsluCounter, 1413 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1085 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 328 mSDtfsCounter, 118 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 65]: 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, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e4e1187=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc8bb24=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79aae2d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f73d0a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@278fdff7=29, methaneLevelCritical=0, retValue_acc=1, retValue_acc=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cc217ea=0, tmp=1, tmp___2=29, \result=0, tmp=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40c4e5e2=0, switchedOnBeforeTS=0, \result=0, tmp=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc4e99a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d2eaf2f=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L480] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int waterLevel = 1; [L679] int methaneLevelCritical = 0; [L805] int switchedOnBeforeTS ; [L854] int cleanupTimeShifts = 4; [L928] int retValue_acc ; [L929] int tmp ; [L933] FCALL select_helpers() [L934] FCALL select_features() [L935] CALL, EXPR valid_product() [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); [L935] RET, EXPR valid_product() [L935] tmp = valid_product() [L937] COND TRUE \read(tmp) [L939] FCALL setup() [L940] CALL runTest() [L921] CALL __utac_acc__Specification5_spec__1() [L810] switchedOnBeforeTS = 0 [L921] RET __utac_acc__Specification5_spec__1() [L922] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L819] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L819] RET, EXPR isPumpRunning() [L819] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L825] int tmp ; [L826] int tmp___0 ; [L830] CALL, EXPR getWaterLevel() [L749] int retValue_acc ; [L752] retValue_acc = waterLevel [L753] return (retValue_acc); [L830] RET, EXPR getWaterLevel() [L830] tmp = getWaterLevel() [L832] COND TRUE tmp != 2 [L834] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L834] RET, EXPR isPumpRunning() [L834] tmp___0 = isPumpRunning() [L836] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:19:23,127 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)